Revenue Recognition In-Scope and Out-of-Scope Revenue Streams (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Trust income	$ 2,516	$ 2,111
Service charges on deposit accounts	4,047	4,745
Insurance and retail brokerage commissions	2,172	1,995
Card-related interchange income	6,427	5,262
Derivatives mark to market	1,430	(1,741)
Gain on sale of loans and other assets.	1,690	699
Other income	1,924	1,807
Noninterest Income	27,355	19,273
In-Scope of Topic 606 [Member]
Trust income	2,516	2,111
Service charges on deposit accounts	4,047	4,745
Insurance and retail brokerage commissions	2,172	1,995
Card-related interchange income	6,427	5,262
Gain on sale of loans and other assets.	169	159
Other income	980	944
Noninterest Income	16,311	15,216
Out-Of-Scope of Topic 606 [Member]
Noninterest Income	$ 11,044	$ 4,057