Business Segments (Statement of Operations and Total Assets by Reportable Segment) (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Total interest and dividend income		$ 318,091	$ 340,678	$ 308,659
Total interest expense		164,903	212,230	171,561
Net interest income	[1]	153,188	128,448	137,098
Provision for credit losses		9,200	2,400	3,200
Net interest income after provision for credit losses		143,988	126,048	133,898
Noninterest Income (loss)	[1]	75,860	(27,797)	56,140
Salaries and employee benefits		91,768	86,260	82,458
Outsourced services		16,937	16,258	14,521
Net occupancy		10,736	9,785	9,636
Equipment		3,590	3,838	4,318
Legal, audit and professional fees		2,862	3,128	3,891
FDIC deposit insurance costs		4,580	5,513	4,667
Advertising and promotion		2,919	2,626	2,562
Amortization of intangibles		762	826	843
Other expenses		18,281	8,835	10,661
Total noninterest expense		152,435	137,069	133,557
Income (loss) before income taxes		67,413	(38,818)	56,481
Income tax expense (benefit)		15,169	(10,759)	8,305
Net income (loss)		52,244	(28,059)	48,176
Total assets at period end		6,621,694	6,930,647	7,202,847
Expenditures for long-lived assets		2,005	4,001	5,048
Depreciation expense	[2]	3,455	3,934	4,005
Banking
Segment Reporting Information [Line Items]
Total interest and dividend income		318,091	340,678	308,622
Total interest expense		164,903	212,230	171,561
Net interest income		153,188	128,448	137,061
Provision for credit losses		9,200	2,400	3,200
Net interest income after provision for credit losses		143,988	126,048	133,861
Noninterest Income (loss)		33,887	(69,609)	20,006
Salaries and employee benefits		69,485	66,482	62,013
Outsourced services		13,552	12,340	10,972
Net occupancy		9,793	8,726	8,313
Equipment		3,303	3,486	3,841
Legal, audit and professional fees		2,199	2,473	2,751
FDIC deposit insurance costs		4,580	5,513	4,667
Advertising and promotion		2,439	2,252	2,140
Amortization of intangibles		0	0	0
Other expenses		14,563	7,517	8,269
Total noninterest expense		119,914	108,789	102,966
Income (loss) before income taxes		57,961	(52,350)	50,901
Income tax expense (benefit)		12,772	(13,530)	7,028
Net income (loss)		45,189	(38,820)	43,873
Total assets at period end		6,558,488	6,870,612	7,146,096
Expenditures for long-lived assets		1,956	3,862	5,013
Depreciation expense	[2]	3,125	3,530	3,460
Wealth Management Services
Segment Reporting Information [Line Items]
Total interest and dividend income		0	0	37
Total interest expense		0	0	0
Net interest income		0	0	37
Provision for credit losses		0	0	0
Net interest income after provision for credit losses		0	0	37
Noninterest Income (loss)		41,973	41,812	36,134
Salaries and employee benefits		22,283	19,778	20,445
Outsourced services		3,385	3,918	3,549
Net occupancy		943	1,059	1,323
Equipment		287	352	477
Legal, audit and professional fees		663	655	1,140
FDIC deposit insurance costs		0	0	0
Advertising and promotion		480	374	422
Amortization of intangibles		762	826	843
Other expenses		3,718	1,318	2,392
Total noninterest expense		32,521	28,280	30,591
Income (loss) before income taxes		9,452	13,532	5,580
Income tax expense (benefit)		2,397	2,771	1,277
Net income (loss)		7,055	10,761	4,303
Total assets at period end		63,206	60,035	56,751
Expenditures for long-lived assets		49	139	35
Depreciation expense	[2]	$ 330	$ 404	$ 545

[1] As reported in the Consolidated Statements of Income (Loss).

[2] Included in net occupancy and equipment expenses in the table above.