Balance Sheet Offsetting (Details) - Interest Rate Contract - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Derivative assets
Gross Amounts Recognized	$ 6,719	$ 13,441
Derivative Liabilities Offset	(3,302)	(1,936)
Derivative Asset, Collateral, Obligation to Return Cash, Offset	(3,143)	(10,879)
Net Amounts Presented on the Consolidated Balance Sheets	273	626
Derivative liabilities
Gross Amounts Recognized	23,489	27,951
Derivative Liability, Fair Value, Gross Asset	(3,302)	(1,936)
Derivative Liability, Collateral, Right to Reclaim Cash, Offset	(18,595)	(25,625)
Net Amounts Presented on the Consolidated Balance Sheets	$ 1,592	$ 390