Fair Value Measurements (Qualitative Information about Level 3 Assets Measured at Fair Value on a Nonrecurring Basis) (Details) - USD ($) $ in Thousands		9 Months Ended	12 Months Ended
		Sep. 30, 2025	Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total loans	[1]	$ 5,122,582	$ 5,137,838
Collateral Dependent Individually Analyzed
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total loans		7,693	11,591
Nonrecurring | Collateral Dependent Individually Analyzed
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total loans		1,010	9,057
Nonrecurring | Level 3 | Collateral Dependent Individually Analyzed
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total loans		$ 1,010	$ 9,057
Nonrecurring | Minimum | Appraisals of collateral | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Discount for costs to sell			14.00%
Appraisal adjustments			0.00%
Nonrecurring | Maximum | Appraisals of collateral | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Discount for costs to sell			49.00%
Appraisal adjustments			10.00%
Nonrecurring | Weighted Average | Appraisals of collateral | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Discount for costs to sell		0.00%	16.00%
Appraisal adjustments		0.00%	7.00%

[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.