Derivative Financial Instruments - Offsetting Assets and Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Other Liabilities
Cash collateral pledged	$ 24,000	$ 43,000
Other Assets
Other Assets
Gross position	1,054	729
Impact of master netting agreement	(451)	(176)
Derivative values with impact of master netting agreements (as carried on balance sheet)	603	553
Cash collateral pledged	23,592	42,874
Net position	24,195	43,427
Other Liabilities
Other Liabilities
Gross position	(451)	(287)
Impact of master netting agreement	451	176
Derivative values with impact of master netting agreements (as carried on balance sheet)	0	(111)
Cash collateral pledged	0	0
Net position	$ 0	$ (111)

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