Derivative Instruments - Offsetting Derivatives (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Offsetting Derivative Assets
Gross amounts recognized	$ 10,643	$ 3,866
Gross amounts offset in the Consolidated Balance Sheets	0	0
Net amounts presented in the Consolidated Balance Sheets	10,643	3,866
Financial instruments	5,987	3,866
Financial collateral pledged	0	0
Net amounts	4,656	0
Offsetting Derivative Liabilities
Gross amounts recognized	16,705	21,107
Gross amounts offset in the Consolidated Balance Sheets	0	0
Net amounts presented in the Consolidated Balance Sheets	16,705	21,107
Financial instruments	5,987	3,866
Financial collateral pledged	9,092	14,042
Net amounts	$ 1,626	$ 3,199