Derivative Instruments - Offsetting of Derivative Assets and Liabilities in the Condensed Consolidated Balance Sheet (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Derivative assets
Gross amounts of recognized assets	$ 40,636	$ 47
Gross amounts offset in the condensed consolidated balance sheet	0	(16)
Net amounts of assets presented in the condensed consolidated balance sheet	40,636	31
Gross amounts of financial instruments not offset in the condensed consolidated balance sheet	0	0
Net amount	40,636	31
Derivative liabilities
Gross amounts of recognized liabilities	0	25
Gross amounts offset in the condensed consolidated balance sheet	0	(16)
Net amounts of liabilities presented in the condensed consolidated balance sheet	0	9
Gross amounts of financial instruments not offset in the condensed consolidated balance sheet	0	0
Net amount	$ 0	$ 9

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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