Derivative and Hedging (Schedule of cash hedging instruments, location) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of Gain (Loss) Recognized in OCI on Derivatives, Net of Tax	$ 954	$ (2,334)	$ 837
Amount of Gain (Loss) Reclassified from AOCI into Income, Gross	(597)	(921)	(831)
Interest Rate Contract [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of Gain (Loss) Recognized in OCI on Derivatives, Net of Tax	954	(2,334)	837
Interest and fees on loans
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of Gain (Loss) Reclassified from AOCI into Income, Gross	1,006	(214)	0
Total presented on the consolidated statements of income in which the effects of cash flow hedges are recorded	134,000	143,399
Interest and fees on loans | Interest Rate Contract [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of gain (loss) reclassified from AOCI into income	1,006	(214)
Interest on deposits
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of Gain (Loss) Reclassified from AOCI into Income, Gross	(130)	0	0
Total presented on the consolidated statements of income in which the effects of cash flow hedges are recorded	15,544
Interest on deposits | Interest Rate Contract [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of gain (loss) reclassified from AOCI into income	(130)
Interest on borrowings
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of Gain (Loss) Reclassified from AOCI into Income, Gross	(102)	32	58
Total presented on the consolidated statements of income in which the effects of cash flow hedges are recorded	1,837	3,621	7,456
Interest on borrowings | Interest Rate Contract [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of gain (loss) reclassified from AOCI into income	(102)	32	58
Interest on subordinated debentures
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of Gain (Loss) Reclassified from AOCI into Income, Gross	(1,371)	(739)	(889)
Total presented on the consolidated statements of income in which the effects of cash flow hedges are recorded	3,512	3,266	3,415
Interest on subordinated debentures | Interest Rate Contract [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of gain (loss) reclassified from AOCI into income	$ (1,371)	$ (739)	$ (889)