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Repurchase Agreements Remaining Term to Maturity (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
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Assets and Associated Liabilities of Transfers Accounted for as Secured Borrowings [Line Items] |  |
Assets Sold under Agreements to Repurchase, Repurchase Liability | $ 2,527,065 | $ 2,437,163
Assets Sold under Agreements to Repurchase, Interest Rate | 0.20% | 0.34%
WAVG Original Term to Maturity | 165 | 44
Less than 30 days |  |
Assets and Associated Liabilities of Transfers Accounted for as Secured Borrowings [Line Items] |  |
Assets Sold under Agreements to Repurchase, Repurchase Liability | $ 479,019 | $ 1,416,608
Assets Sold under Agreements to Repurchase, Interest Rate | 0.30% | 0.37%
WAVG Original Term to Maturity | 110 | 53
30 to 90 days |  |
Assets and Associated Liabilities of Transfers Accounted for as Secured Borrowings [Line Items] |  |
Assets Sold under Agreements to Repurchase, Repurchase Liability | $ 620,085 | $ 845,394
Assets Sold under Agreements to Repurchase, Interest Rate | 0.12% | 0.31%
WAVG Original Term to Maturity | 125 | 35
Maturity90-180DaysMember |  |
Assets and Associated Liabilities of Transfers Accounted for as Secured Borrowings [Line Items] |  |
Assets Sold under Agreements to Repurchase, Repurchase Liability | $ 1,122,552 | $ 175,161
Assets Sold under Agreements to Repurchase, Interest Rate | 0.22% | 0.22%
WAVG Original Term to Maturity | 168 | 13
Maturity 181 days to 1 year |  |
Assets and Associated Liabilities of Transfers Accounted for as Secured Borrowings [Line Items] |  |
Assets Sold under Agreements to Repurchase, Repurchase Liability | $ 305,409 |
Assets Sold under Agreements to Repurchase, Interest Rate | 0.15% |
WAVG Original Term to Maturity | 318 |

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- Definition The length of time measured in days between the original date a repurchase agreement amount was borrowed and its maturity (or interest rate reset) date. + References No definition available. + Details
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- Definition Interest rate on the amount to be repaid to the counterparty to the repurchase agreement when the carrying amount (or market value, if higher than the carrying amount) of securities or other assets sold under the repurchase agreement exceeds 10 percent of total assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(m)(1)(i)(A)(ii)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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- Definition Amount to be repaid to the counterparty to the repurchase agreement when the carrying amount (or market value, if higher than the carrying amount) of securities or other assets sold under the repurchase agreement exceeds 10 percent of total assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(m)(1)(i)(A)(ii)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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