Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Segment Reporting Information [Line Items]
Goodwill and other intangibles	$ 101,767				$ 101,767		$ 102,606
Total assets	4,114,364				4,114,364		4,142,749
Net interest income	31,711		$ 26,490		62,953	$ 51,757
Provision for credit losses and unfunded loans	616		50		258	475
Service fees, security gains and other noninterest income	9,477		9,508		27,175	19,640
Noninterest expense	20,282		16,267		49,576	32,786
Amortization and depreciation expense	1,179		803		2,341	1,601
INCOME BEFORE INCOME TAXES	19,111		18,878		37,953	36,535
Income taxes	3,160		3,303		6,158	6,404
NET INCOME	15,951	$ 15,844	15,575	$ 14,556	31,795	30,131
Eliminations And Others
Segment Reporting Information [Line Items]
Goodwill and other intangibles	(4,263)				(4,263)		(4,263)
Total assets	(2,413)				(2,413)		3,854
Net interest income	(813)		(51)		(1,598)	(105)
Provision for credit losses and unfunded loans	0		0		0	0
Service fees, security gains and other noninterest income	32		(65)		(209)	(50)
Noninterest expense	494		(179)		577	(397)
Amortization and depreciation expense	113		68		227	136
INCOME BEFORE INCOME TAXES	(1,388)		(5)		(2,611)	106
Income taxes	(364)		(78)		(662)	(136)
NET INCOME	(1,024)		73		(1,949)	242
Trust Segment | Operating Segments
Segment Reporting Information [Line Items]
Goodwill and other intangibles	5,777				5,777		5,814
Total assets	20,631				20,631		14,365
Net interest income	38		32		72	63
Provision for credit losses and unfunded loans	0		0		0	0
Service fees, security gains and other noninterest income	4,839		2,798		14,037	5,401
Noninterest expense	3,614		1,536		5,383	3,092
Amortization and depreciation expense	28		63		56	127
INCOME BEFORE INCOME TAXES	1,235		1,231		8,670	2,245
Income taxes	258		259		1,820	471
NET INCOME	977		972		6,850	1,774
Bank Segment | Operating Segments
Segment Reporting Information [Line Items]
Goodwill and other intangibles	100,253				100,253		101,055
Total assets	4,096,146				4,096,146		$ 4,124,530
Net interest income	32,486		26,509		64,479	51,799
Provision for credit losses and unfunded loans	616		50		258	475
Service fees, security gains and other noninterest income	4,606		6,775		13,347	14,289
Noninterest expense	16,174		14,910		43,616	30,091
Amortization and depreciation expense	1,038		672		2,058	1,338
INCOME BEFORE INCOME TAXES	19,264		17,652		31,894	34,184
Income taxes	3,266		3,122		5,000	6,069
NET INCOME	$ 15,998		$ 14,530		$ 26,894	$ 28,115