Business Segments (Statement of Operations and Total Assets by Reportable Segment) (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Segment Reporting Information [Line Items]
Net interest income (expense)	[1]	$ 37,193	$ 35,091
Provision for credit losses		800	100
Net interest income (expense) after provision for credit losses		36,393	34,991
Noninterest income	[1]	13,283	17,159
Depreciation and amortization expense		1,187	1,055
Other noninterest expenses		32,377	30,164
Total noninterest expenses		33,564	31,219
Income (loss) before income taxes		16,112	20,931
Income tax expense		3,300	4,448
Net income		12,812	16,483
Total assets		6,859,182	5,847,999	$ 6,660,051
Expenditures for long-lived assets		1,144	834
Commercial Banking [Member]
Segment Reporting Information [Line Items]
Net interest income (expense)		37,180	35,108
Provision for credit losses		800	100
Net interest income (expense) after provision for credit losses		36,380	35,008
Noninterest income		4,431	6,512
Depreciation and amortization expense		831	711
Other noninterest expenses		24,635	22,611
Total noninterest expenses		25,466	23,322
Income (loss) before income taxes		15,345	18,198
Income tax expense		3,087	3,797
Net income		12,258	14,401
Total assets		6,785,254	5,773,796
Expenditures for long-lived assets		1,136	730
Wealth Management Services [Member]
Segment Reporting Information [Line Items]
Net interest income (expense)		13	(17)
Provision for credit losses		0	0
Net interest income (expense) after provision for credit losses		13	(17)
Noninterest income		8,852	10,647
Depreciation and amortization expense		356	344
Other noninterest expenses		7,742	7,553
Total noninterest expenses		8,098	7,897
Income (loss) before income taxes		767	2,733
Income tax expense		213	651
Net income		554	2,082
Total assets		73,928	74,203
Expenditures for long-lived assets		$ 8	$ 104

[1] As reported in the Unaudited Consolidated Statements of Income.