Business Segments (Statement of Operations and Total Assets by Reportable Segment) (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Segment Reporting Information [Line Items]
Total interest income and dividend income		$ 74,982	$ 79,463
Total interest expense		34,457	43,041
Net interest income	[1]	40,525	36,422
Provision for credit losses		4,000	1,200
Net interest income (expense) after provision for credit losses		36,525	35,222
Noninterest income	[1]	17,303	22,643
Salaries and employee benefits		24,340	22,422
Outsourced services		4,383	4,346
Net occupancy		2,890	2,741
Equipment		903	891
Legal, audit and professional fees		936	750
FDIC deposit insurance costs		935	1,262
Advertising and promotion		547	410
Amortization of intangibles		155	204
Other Expenses		2,676	9,170
Total noninterest expenses		37,765	42,196
Income before income taxes		16,063	15,669
Income tax expense		3,463	3,490
Net income		12,600	12,179
Total assets at period end		6,459,196	6,586,015	$ 6,621,694
Expenditures for long-lived assets		1,306	88
Depreciation expense	[2]	807	894
Banking
Segment Reporting Information [Line Items]
Total interest income and dividend income		74,982	79,463
Total interest expense		34,457	43,041
Net interest income		40,525	36,422
Provision for credit losses		4,000	1,200
Net interest income (expense) after provision for credit losses		36,525	35,222
Noninterest income		6,430	12,635
Salaries and employee benefits		18,790	16,979
Outsourced services		3,599	3,265
Net occupancy		2,663	2,471
Equipment		843	815
Legal, audit and professional fees		662	527
FDIC deposit insurance costs		935	1,262
Advertising and promotion		463	348
Amortization of intangibles		0	0
Other Expenses		2,147	6,879
Total noninterest expenses		30,102	32,546
Income before income taxes		12,853	15,311
Income tax expense		2,734	3,347
Net income		10,119	11,964
Total assets at period end		6,395,861	6,525,532
Expenditures for long-lived assets		1,165	87
Depreciation expense	[2]	736	808
Wealth Management Services
Segment Reporting Information [Line Items]
Total interest income and dividend income		0	0
Total interest expense		0	0
Net interest income		0	0
Provision for credit losses		0	0
Net interest income (expense) after provision for credit losses		0	0
Noninterest income		10,873	10,008
Salaries and employee benefits		5,550	5,443
Outsourced services		784	1,081
Net occupancy		227	270
Equipment		60	76
Legal, audit and professional fees		274	223
FDIC deposit insurance costs		0	0
Advertising and promotion		84	62
Amortization of intangibles		155	204
Other Expenses		529	2,291
Total noninterest expenses		7,663	9,650
Income before income taxes		3,210	358
Income tax expense		729	143
Net income		2,481	215
Total assets at period end		63,335	60,483
Expenditures for long-lived assets		141	1
Depreciation expense	[2]	$ 71	$ 86

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

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