Derivative Financial Instruments (Details 3) - Interest rate swap contracts - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Offsetting Assets
Gross Amounts of Recognized Assets	$ 52,872	$ 22,279
Gross Amounts Offset in the Statement of Financial Condition	6,218	304
Net Amounts of Assets Presented in the Statement of Financial Condition	46,654	21,975
Gross Amounts Not Offset in the Statement of Financial Condition
Financial instruments	0	0
Cash collateral received	0	0
Net Amount	$ 46,654	$ 21,975

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