Derivative Financial Instruments (Details 2) - Non-hedging derivative financial instruments - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Derivative Financial Instruments
Gain (loss)	$ (104)	$ 279	$ 194	$ 727
Interest rate swap contracts | Other expense
Derivative Financial Instruments
Gain (loss)	(14)	(114)	319	(633)
Interest rate swap contracts | Other income
Derivative Financial Instruments
Gain (loss)	152	446	238	537
Loan commitments | Mortgage banking income
Derivative Financial Instruments
Gain (loss)	69	(310)	(629)	886
Forward contracts - mortgage loan | Mortgage banking income
Derivative Financial Instruments
Gain (loss)	$ (311)	$ 257	$ 266	$ (63)