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Repurchase Agreements (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Assets and Associated Liabilities of Transfers Accounted for as Secured Borrowings [Line Items] |  |
Balance | $ 4,815,452 | $ 3,267,984
Weighted Average Rate | 2.69% | 2.69%
Fair Value of Collateral Pledged | $ 5,132,400 | $ 3,511,604
Payable for unsettled securities | 425,897 | 58,915
Agency | Commercial Mortgage Backed Securities |  |
Assets and Associated Liabilities of Transfers Accounted for as Secured Borrowings [Line Items] |  |
Balance | $ 1,448,977 | $ 919,833
Weighted Average Rate | 2.66% | 2.51%
Fair Value of Collateral Pledged | $ 1,569,019 | $ 986,861
Agency | Residential Mortgage Backed Securities |  |
Assets and Associated Liabilities of Transfers Accounted for as Secured Borrowings [Line Items] |  |
Balance | $ 2,938,383 | $ 1,887,878
Weighted Average Rate | 2.65% | 2.66%
Fair Value of Collateral Pledged | $ 3,073,151 | $ 1,998,922
Agency | Interest-Only-Strip |  |
Assets and Associated Liabilities of Transfers Accounted for as Secured Borrowings [Line Items] |  |
Balance | $ 241,552 | $ 253,258
Weighted Average Rate | 2.97% | 2.96%
Fair Value of Collateral Pledged | $ 270,668 | $ 285,247
Non-Agency | Interest-Only-Strip |  |
Assets and Associated Liabilities of Transfers Accounted for as Secured Borrowings [Line Items] |  |
Balance | $ 186,540 | $ 207,015
Weighted Average Rate | 3.30% | 3.38%
Fair Value of Collateral Pledged | $ 219,562 | $ 240,574

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- Definition Carrying amount of assets sold under agreements to repurchase when the carrying amount (or market value, if higher than the carrying amount) of securities or other assets sold under repurchase agreements 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)(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + 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=26873400&loc=d3e23780-122690 + Details
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- Definition Amount payable to broker-dealers and clearing organizations, including, but not limited to, securities failed-to-receive, certain deposits received for securities loaned, open transactions, and floor-brokerage payables. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 20 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=35710130&loc=d3e41645-110958 + Details
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