Derivative Instruments - Effect on Consolidated Financial Condition (Detail) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Derivatives, Fair Value [Line Items]
Notional Amount Outstanding	$ 0	$ 4,731,000
Derivatives, at fair value, net	0	3,611
Derivative Liabilities, Net Estimated Fair Value/Carrying Value	0	0
Interest Rate Swaps
Derivatives, Fair Value [Line Items]
Notional Amount Outstanding	0	4,111,300
Derivatives, at fair value, net	0	0
Derivative Liabilities, Net Estimated Fair Value/Carrying Value	0	0
Treasury Futures
Derivatives, Fair Value [Line Items]
Notional Amount Outstanding	0	619,700
Derivatives, at fair value, net	0	3,611
Derivative Liabilities, Net Estimated Fair Value/Carrying Value	$ 0	$ 0

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Nominal or face amount used to calculate payment on derivative.

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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.

+ References

No definition available.

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