Derivatives - Offsetting Derivative Assets and Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Gross amounts recognized	$ 4,328	$ 331
Gross amounts offset in the consolidated balance sheets	0	0
Net amounts presented in the consolidated balance sheets	4,328	331
Gross amounts not offset in the consolidated balance sheets, less financial instruments	974	139
Gross amounts not offset in the consolidated balance sheets, less financial collateral pledged	0	0
Net amounts	3,354	192
Gross amounts recognized	39,298	14,682
Gross amounts offset in the consolidated balance sheets	0	0
Net amounts presented in the consolidated balance sheets	39,298	14,682
Gross amounts not offset in the consolidated balance sheets, less financial instruments	974	139
Gross amounts not offset in the consolidated balance sheets, less financial collateral pledged	38,324	14,543
Net amounts	$ 0	$ 0