Derivative Financial Instruments - Effect of Derivative Instruments on Consolidated Statements of Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Net loss	$ (4,421)	$ (3,211)	$ (10,500)	$ (12,438)
Interest Rate Swap [Member] | Not Designated as Hedging Instrument [Member]
Net loss	(478)	458	673	(3,518)
Interest Rate Swap [Member] | Not Designated as Hedging Instrument [Member] | Other interest expense
Net loss	(33)	(132)	(305)	(298)
Interest Rate Swap [Member] | Not Designated as Hedging Instrument [Member] | Net gain (loss) from fair value adjustments
Net loss	(445)	590	978	(3,220)
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | Fair Value Hedging [Member] | Interest and fees on loans
Net loss	(1,206)	(1,158)	(3,231)	(4,863)
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Other interest expense
Net loss	$ (2,737)	$ (2,511)	$ (7,942)	$ (4,057)