Reverse Repurchase Agreements Reverse Repurchase Agreements (Details) - USD ($) $ in Thousands |
Jun. 30, 2019 |
Dec. 31, 2018 |
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| Derivative [Line Items] | ||
| Gross amount of cash collateral received not offset against reverse repurchase agreements in the balance sheet | $ 109,500 | $ 0 |
| Reverse repurchase agreements | $ 109,500 | 761,815 |
| Short US Treasuries [Member] | ||
| Derivative [Line Items] | ||
| Fair Value | $ 781,500 |
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- Definition Fair value of the assets less the liabilities of a derivative or group of derivatives. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition The carrying value of securities purchased to be resold in reverse repurchase transactions as of the balance sheet date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of obligation to return cash collateral under master netting arrangements that have not been offset against securities purchased under agreement to resell. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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