| Label |
Element |
Value |
| Commercial Mortgage-Backed Securities Issued by Government Agencies [Member] |
|
|
| 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 |
227,000
|
| Held-to-maturity Securities |
us-gaap_HeldToMaturitySecurities |
256,808,000
|
| Held-to-maturity Securities |
us-gaap_HeldToMaturitySecurities |
248,133,000
|
| 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 |
366,000
|
| 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 |
19,422,000
|
| 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 |
366,000
|
| Held-to-maturity Securities, Debt Maturities, without Single Maturity Date, Net Carrying Amount |
us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateNetCarryingAmount |
248,133,000
|
| 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 |
72,521,000
|
| 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 |
5,412,000
|
| 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 |
53,099,000
|
| Held-to-maturity Securities, Fair Value |
us-gaap_HeldToMaturitySecuritiesFairValue |
256,957,000
|
| Held-to-maturity Securities, Fair Value |
us-gaap_HeldToMaturitySecuritiesFairValue |
253,179,000
|
| Held-to-maturity Securities, Debt Maturities, without Single Maturity Date, Fair Value |
us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue |
253,179,000
|
| 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 |
139,000
|
| Residential Mortgage-Backed Securities issued by U.S. government agencies [Member] |
|
|
| 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 |
2,056,236,000
|
| 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 |
6,533,000
|
| 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 |
135,228,000
|
| 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 |
6,533,000
|
| Held-to-maturity Securities, Debt Maturities, without Single Maturity Date, Net Carrying Amount |
us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateNetCarryingAmount |
2,056,236,000
|
| 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 |
684,035,000
|
| 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 |
37,121,000
|
| 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 |
548,807,000
|
| Held-to-maturity Securities, Fair Value |
us-gaap_HeldToMaturitySecuritiesFairValue |
2,199,964,000
|
| Held-to-maturity Securities, Fair Value |
us-gaap_HeldToMaturitySecuritiesFairValue |
2,086,824,000
|
| Held-to-maturity Securities, Debt Maturities, without Single Maturity Date, Fair Value |
us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue |
2,086,824,000
|
| 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 |
6,206,000
|
| Residential Mortgage-Backed Securities Issued by U.S. Government Sponsored Enterprises [Member] |
|
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss |
2,616,000
|
| Held-to-maturity Securities |
us-gaap_HeldToMaturitySecurities |
647,762,000
|
| Held-to-maturity Securities |
us-gaap_HeldToMaturitySecurities |
725,099,000
|
| 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 |
0
|
| 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, Accumulated Loss |
us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss |
2,616,000
|
| Held-to-maturity Securities, Debt Maturities, without Single Maturity Date, Net Carrying Amount |
us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateNetCarryingAmount |
725,099,000
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value |
us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue |
450,147,000
|
| 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 |
9,708,000
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |
us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue |
0
|
| Held-to-maturity Securities, Fair Value |
us-gaap_HeldToMaturitySecuritiesFairValue |
646,802,000
|
| Held-to-maturity Securities, Fair Value |
us-gaap_HeldToMaturitySecuritiesFairValue |
734,807,000
|
| Held-to-maturity Securities, Debt Maturities, without Single Maturity Date, Fair Value |
us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue |
734,807,000
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss |
$ 0
|
