Derivative Instruments - Schedule of Offsetting Derivative Asset and Liability Positions (Details) - Counterparty A - USD ($) $ in Thousands	Dec. 31, 2020	Jun. 30, 2020
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	$ 3,772	$ 175
Derivative asset, netting adjustment	(79)	(175)
Derivative asset, cash collateral posted	0	0
Derivative asset, net	3,693	0
Derivative liability, fair value	3,652	8,115
Derivative liability, netting adjustment	(79)	(176)
Derivative liability, cash collateral posted	0	0
Derivative liability, net	$ 3,573	$ 7,939

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

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