Fair Value Measurements (Narrative) (Details) - USD ($) $ in Thousands		3 Months Ended			9 Months Ended		12 Months Ended
		Sep. 30, 2025	Dec. 31, 2024	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2023
Portfolio loans transferred to held for sale			$ 344,600
Mortgage loans held for sale, at lower of cost or market		$ 0	281,706		$ 0		$ 281,706
Total loans	[1]	5,122,582	5,137,838		5,122,582		5,137,838
Related Allowance		36,576	41,960		36,576		41,960
Total gross charge-offs					14,648	$ 182	2,413
Nonrecurring
Mortgage loans held for sale, at lower of cost or market			281,706				281,706
Collateral Dependent Individually Analyzed
Total loans		7,693	11,591		7,693		11,591
Related Allowance		0	1,511		0		1,511
Collateral Dependent Individually Analyzed | Nonrecurring
Total loans		1,010	9,057		1,010		9,057
Commercial & industrial
Total loans	[2]	568,317	542,474		568,317		542,474
Related Allowance		9,714	7,277	$ 7,403	9,714	7,403	7,277	$ 13,158	$ 7,097	$ 8,088
Total gross charge-offs		8,357		4	8,681	24	208
Commercial & industrial | Collateral Dependent Individually Analyzed
Total loans	[3]	1,010	515		1,010		515
Related Allowance	[3]	0	259		0		259
Commercial & industrial | Collateral Dependent Individually Analyzed | Nonrecurring
Total loans		1,000			1,000			9,300
Related Allowance	[3]							2,300
Total gross charge-offs		8,300
Commercial real estate
Total loans	[4]	2,156,750	2,154,504		2,156,750		2,154,504
Related Allowance		18,843	26,485	25,758	18,843	25,758	26,485	19,604	$ 25,766	$ 24,144
Total gross charge-offs		2,991		$ 0	5,715	$ 0	1,961
Commercial real estate | Collateral Dependent Individually Analyzed
Total loans	[5]	5,412	10,053		5,412		10,053
Related Allowance	[5]	$ 0	$ 1,252		$ 0		$ 1,252
Commercial real estate | Collateral Dependent Individually Analyzed | Nonrecurring
Total loans								$ 4,300

[1] Includes net unamortized loan origination costs of $11.6 million and $10.9 million, respectively, at September 30, 2025 and December 31, 2024 and net unamortized premiums on loans purchased from and serviced by other financial institutions of $211 thousand and $242 thousand, respectively, at September 30, 2025 and December 31, 2024.

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

[3] Secured by business assets.

[4] 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.

[5] Secured by income-producing property.