Derivative Financial Instruments - Effect of Derivative Instruments on Consolidated Statements of Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Net loss	$ (14,688)	$ (2,726)	$ 925
Interest Rate Swap [Member] | Not Designated as Hedging Instrument [Member]
Net loss	(2,759)	(3,121)	726
Interest Rate Swap [Member] | Not Designated as Hedging Instrument [Member] | Other interest expense
Net loss	(434)	(140)	(193)
Interest Rate Swap [Member] | Not Designated as Hedging Instrument [Member] | Net gain (loss) from fair value adjustments
Net loss	(2,325)	(2,981)	919
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | Fair Value Hedging [Member] | Interest and fees on loans
Net loss	(5,226)	(837)	43
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Other interest expense
Net loss	$ (6,703)	$ 1,232	$ 156