Loans (Collateral Dependent Individually Analyzed Loans) (Details) - USD ($) $ in Thousands		Mar. 31, 2026	Dec. 31, 2025	Mar. 31, 2025	Dec. 31, 2024
Loans and Leases Receivable Disclosure [Line Items]
Total loans	[1]	$ 5,014,885	$ 5,134,388
Related Allowance		41,126	37,236
Collateral Dependent Individually Analyzed
Loans and Leases Receivable Disclosure [Line Items]
Total loans		13,813	7,508
Related Allowance		1,503	0
Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Total loans	[2]	2,084,804	2,183,985
Related Allowance		24,031	19,766	$ 25,207	$ 26,485
Commercial real estate | Collateral Dependent Individually Analyzed
Loans and Leases Receivable Disclosure [Line Items]
Total loans	[3]	12,179	5,605
Related Allowance	[3]	1,500	0
Commercial & industrial
Loans and Leases Receivable Disclosure [Line Items]
Total loans	[4]	568,177	564,082
Related Allowance		9,647	9,750	7,656	7,277
Commercial & industrial | Collateral Dependent Individually Analyzed
Loans and Leases Receivable Disclosure [Line Items]
Total loans	[5]	0	0
Related Allowance	[5]	0	0
Total commercial
Loans and Leases Receivable Disclosure [Line Items]
Total loans		2,652,981	2,748,067
Related Allowance		33,678	29,516	32,863	33,762
Total commercial | Collateral Dependent Individually Analyzed
Loans and Leases Receivable Disclosure [Line Items]
Total loans		12,179	5,605
Related Allowance		1,500	0
Residential real estate
Loans and Leases Receivable Disclosure [Line Items]
Total loans	[6]	2,029,092	2,050,399
Related Allowance		6,003	6,270	6,776	6,832
Residential real estate | Collateral Dependent Individually Analyzed
Loans and Leases Receivable Disclosure [Line Items]
Total loans	[7]	1,631	1,903
Related Allowance	[7]	0	0
Home equity
Loans and Leases Receivable Disclosure [Line Items]
Total loans		316,353	318,862
Related Allowance		1,194	1,186	1,057	1,031
Home equity | Collateral Dependent Individually Analyzed
Loans and Leases Receivable Disclosure [Line Items]
Total loans	[7]	0	0
Related Allowance	[7]	0	0
Other
Loans and Leases Receivable Disclosure [Line Items]
Total loans	[8]	16,459	17,060
Related Allowance		251	264	360	335
Other | Collateral Dependent Individually Analyzed
Loans and Leases Receivable Disclosure [Line Items]
Total loans		3	0
Related Allowance		3	0
Total consumer
Loans and Leases Receivable Disclosure [Line Items]
Total loans		332,812	335,922
Related Allowance		1,445	1,450	$ 1,417	$ 1,366
Total consumer | Collateral Dependent Individually Analyzed
Loans and Leases Receivable Disclosure [Line Items]
Total loans		3	0
Related Allowance		$ 3	$ 0

[1] Includes net unamortized loan origination costs of $11.3 million and $11.0 million, respectively, at March 31, 2026 and December 31, 2025 and net unamortized premiums on loans purchased from and serviced by other financial institutions of $193 thousand and $198 thousand, respectively, at March 31, 2026 and December 31, 2025.

[2] CRE consists of commercial mortgages primarily secured by non-owner occupied income-producing property, as well as construction and development loans. Construction and development loans are made to businesses for land development or the on-site construction of industrial, commercial, or residential buildings.

[3] Secured by income-producing property.

[4] C&I consists of loans to businesses and individuals, a portion of which are fully or partially collateralized by owner occupied real estate.

[5] Secured by business assets.

[6] Residential real estate consists of mortgage and homeowner construction loans secured by one- to four-family residential properties. Also, includes negative basis adjustments associated with fair value hedges of $923 thousand and $335 thousand, respectively, at March 31, 2026 and December 31, 2025. See Note 6 for additional disclosure.

[7] Secured by one- to four-family residential properties.

[8] Other consists of loans to individuals secured by general aviation aircraft and other personal installment loans.