| Label |
Element |
Value |
| Commercial Mortgage-Backed Securities Issued by Government Agencies [Member] |
|
|
| Held-to-maturity Securities, Accumulated Unrecognized Holding Gain |
us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain |
$ 2,381,000
|
| Held-to-maturity Securities, Accumulated Unrecognized Holding Gain |
us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain |
5,689,000
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss |
1,274,000
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss |
96,000
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |
us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue |
52,207,000
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |
us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue |
18,923,000
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss |
958,000
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss |
110,000
|
| Held-to-maturity Securities |
us-gaap_HeldToMaturitySecurities |
256,808,000
|
| Held-to-maturity Securities |
us-gaap_HeldToMaturitySecurities |
244,532,000
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss |
us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss |
2,232,000
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss |
us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss |
206,000
|
| Held-to-maturity Securities, Debt Maturities, without Single Maturity Date, Fair Value |
us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue |
250,015,000
|
| Held-to-maturity Securities, Fair Value |
us-gaap_HeldToMaturitySecuritiesFairValue |
256,957,000
|
| Held-to-maturity Securities, Fair Value |
us-gaap_HeldToMaturitySecuritiesFairValue |
250,015,000
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value |
us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue |
126,247,000
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value |
us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue |
71,497,000
|
| Held-to-maturity Securities, Accumulated Unrecognized Holding Loss |
us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss |
2,232,000
|
| Held-to-maturity Securities, Accumulated Unrecognized Holding Loss |
us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss |
206,000
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |
us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue |
74,040,000
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |
us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue |
52,574,000
|
| Held-to-maturity Securities, Debt Maturities, without Single Maturity Date, Net Carrying Amount |
us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateNetCarryingAmount |
244,532,000
|
| Residential Mortgage-Backed Securities issued by U.S. government agencies [Member] |
|
|
| Held-to-maturity Securities, Accumulated Unrecognized Holding Gain |
us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain |
27,893,000
|
| Held-to-maturity Securities, Accumulated Unrecognized Holding Gain |
us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain |
38,056,000
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss |
13,239,000
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss |
3,518,000
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |
us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue |
414,207,000
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |
us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue |
255,196,000
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss |
5,828,000
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss |
327,000
|
| Held-to-maturity Securities |
us-gaap_HeldToMaturitySecurities |
2,191,138,000
|
| Held-to-maturity Securities |
us-gaap_HeldToMaturitySecurities |
1,917,954,000
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss |
us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss |
19,067,000
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss |
us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss |
3,845,000
|
| Held-to-maturity Securities, Debt Maturities, without Single Maturity Date, Fair Value |
us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue |
1,952,165,000
|
| Held-to-maturity Securities, Fair Value |
us-gaap_HeldToMaturitySecuritiesFairValue |
2,199,964,000
|
| Held-to-maturity Securities, Fair Value |
us-gaap_HeldToMaturitySecuritiesFairValue |
1,952,165,000
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value |
us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue |
976,709,000
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value |
us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue |
448,555,000
|
| Held-to-maturity Securities, Accumulated Unrecognized Holding Loss |
us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss |
19,067,000
|
| Held-to-maturity Securities, Accumulated Unrecognized Holding Loss |
us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss |
3,845,000
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |
us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue |
562,502,000
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |
us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue |
193,359,000
|
| Held-to-maturity Securities, Debt Maturities, without Single Maturity Date, Net Carrying Amount |
us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateNetCarryingAmount |
1,917,954,000
|
| Residential Mortgage-Backed Securities Issued by U.S. Government Sponsored Enterprises [Member] |
|
|
| Held-to-maturity Securities, Accumulated Unrecognized Holding Gain |
us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain |
1,656,000
|
| Held-to-maturity Securities, Accumulated Unrecognized Holding Gain |
us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain |
12,514,000
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss |
0
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss |
0
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |
us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue |
0
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |
us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue |
0
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss |
2,616,000
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss |
87,000
|
| Held-to-maturity Securities |
us-gaap_HeldToMaturitySecurities |
647,762,000
|
| Held-to-maturity Securities |
us-gaap_HeldToMaturitySecurities |
740,467,000
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss |
us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss |
2,616,000
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss |
us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss |
87,000
|
| Held-to-maturity Securities, Debt Maturities, without Single Maturity Date, Fair Value |
us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue |
752,894,000
|
| Held-to-maturity Securities, Fair Value |
us-gaap_HeldToMaturitySecuritiesFairValue |
646,802,000
|
| Held-to-maturity Securities, Fair Value |
us-gaap_HeldToMaturitySecuritiesFairValue |
752,894,000
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value |
us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue |
450,147,000
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value |
us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue |
20,489,000
|
| Held-to-maturity Securities, Accumulated Unrecognized Holding Loss |
us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss |
2,616,000
|
| Held-to-maturity Securities, Accumulated Unrecognized Holding Loss |
us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss |
87,000
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |
us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue |
450,147,000
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |
us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue |
20,489,000
|
| Held-to-maturity Securities, Debt Maturities, without Single Maturity Date, Net Carrying Amount |
us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateNetCarryingAmount |
$ 740,467,000
|
