Revenue Recognition In-Scope and Out-of-Scope Revenue Streams (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Trust income	$ 2,706	$ 2,109	$ 5,222	$ 4,220
Service charges on deposit accounts	4,310	3,286	8,357	8,031
Insurance and retail brokerage commissions	1,978	1,831	4,150	3,826
Card-related interchange income	7,406	5,886	13,833	11,148
Derivatives mark to market	(277)	(221)	1,153	(1,962)
Gain on sale of loans and other assets.	2,111	581	3,801	1,280
Other income	1,997	1,680	3,921	3,487
Noninterest Income	26,086	21,812	53,441	41,085
In-Scope of Topic 606 [Member]
Trust income			5,222	4,220
Service charges on deposit accounts			8,357	8,031
Insurance and retail brokerage commissions			4,150	3,826
Card-related interchange income			13,833	11,148
Gain on sale of loans and other assets.	337	173	506	332
Other income	1,103	824	2,083	1,768
Noninterest Income	17,840	14,109	34,151	29,325
Out-Of-Scope of Topic 606 [Member]
Noninterest Income	$ 8,246	$ 7,703	$ 19,290	$ 11,760