Derivative Instruments - Offsetting of Derivative Assets and Liabilities in the Condensed Consolidated Balance Sheet (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Derivative assets
Gross amounts of recognized assets	$ 953	$ 26,354
Gross amounts offset in the condensed consolidated balance sheet	(953)	(145)
Net amounts of assets presented in the condensed consolidated balance sheet	0	26,209
Gross amounts of financial instruments not offset in the condensed consolidated balance sheet	0	0
Net amount	0	26,209
Derivative liabilities
Gross amounts of recognized liabilities	215,084	145
Gross amounts offset in the condensed consolidated balance sheet	(953)	(145)
Net amounts of liabilities presented in the condensed consolidated balance sheet	214,131	0
Gross amounts of financial instruments not offset in the condensed consolidated balance sheet	0	0
Net amount	$ 214,131	$ 0

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