Fair Value Measurements - Effect of Interest Rate Swap (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Derivative [Line Items]
Interest expense	$ 3,578	$ 6,873	$ 9,175	$ 17,036
Derivative payments on interest rate swap	0	0	1,717	0
Loss on interest rate swap (2)	0	0	2,033	0
Interest Rate Swap
Derivative [Line Items]
Interest expense	$ 29	$ 4,100	$ 29	$ 8,906

Amount of the cost of borrowed funds accounted for as interest expense.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration