Derivative Instruments - Offsetting of Derivative Assets and Liabilities in the Condensed Consolidated Balance Sheet (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Derivative assets
Gross amounts of recognized assets	$ 1,682	$ 47
Gross amounts offset in the condensed consolidated balance sheet	(1,682)	(16)
Net amounts of assets presented in the condensed consolidated balance sheet	0	31
Gross amounts of financial instruments not offset in the condensed consolidated balance sheet	0	0
Net amount	0	31
Derivative liabilities
Gross amounts of recognized liabilities	17,405	25
Gross amounts offset in the condensed consolidated balance sheet	(1,682)	(16)
Net amounts of liabilities presented in the condensed consolidated balance sheet	15,723	9
Gross amounts of financial instruments not offset in the condensed consolidated balance sheet	0	0
Net amount	$ 15,723	$ 9

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