Fair Value Measurements (Qualitative Information About Level 3 Assets Measured at Fair Value on a Nonrecurring Basis) (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2025
Fair Value Inputs Assets Qualitative Information [Line Items]
Collateral dependent individually analyzed loans	[1]	$ 5,137,838	$ 5,134,388
Collateral Dependent Individually Analyzed
Fair Value Inputs Assets Qualitative Information [Line Items]
Collateral dependent individually analyzed loans		11,591	$ 7,508
Nonrecurring | Collateral Dependent Individually Analyzed
Fair Value Inputs Assets Qualitative Information [Line Items]
Collateral dependent individually analyzed loans		9,057
Nonrecurring | Level 3 | Collateral Dependent Individually Analyzed
Fair Value Inputs Assets Qualitative Information [Line Items]
Collateral dependent individually analyzed loans		$ 9,057
Nonrecurring | Minimum | Collateral Dependent Individually Analyzed Loans | Appraisals Of Collateral | Level 3
Fair Value Inputs Assets Qualitative Information [Line Items]
Discount for costs to sell		14.00%
Appraisal adjustments		0.00%
Nonrecurring | Maximum | Collateral Dependent Individually Analyzed Loans | Appraisals Of Collateral | Level 3
Fair Value Inputs Assets Qualitative Information [Line Items]
Discount for costs to sell		49.00%
Appraisal adjustments		10.00%
Nonrecurring | Weighted Average | Collateral Dependent Individually Analyzed Loans | Appraisals Of Collateral | Level 3
Fair Value Inputs Assets Qualitative Information [Line Items]
Discount for costs to sell		16.00%
Appraisal adjustments		7.00%

[1] Includes net unamortized loan origination costs of $11.0 million and $10.9 million, respectively, at December 31, 2025 and 2024 and net unamortized premiums on loans purchased from and serviced by other financial institutions of $198 thousand and $242 thousand, respectively, at December 31, 2025 and 2024.