Derivative Instruments - Schedule of Offsetting Derivative Asset and Liability Positions (Details) - Counterparty A - USD ($) $ in Thousands	Sep. 30, 2020	Jun. 30, 2020
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	$ 968	$ 175
Derivative asset, netting adjustment	(670)	(175)
Derivative asset, cash collateral posted	0	0
Derivative asset, net	298	0
Derivative liability, fair value	5,178	8,115
Derivative liability, netting adjustment	(670)	(176)
Derivative liability, cash collateral posted	0	0
Derivative liability, net	$ 4,508	$ 7,939

Amount of obligation to return cash collateral under master netting arrangements offset against derivative assets.

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Fair value of liability associated with 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.

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