Fair Value Measurements (Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis) (Details) - USD ($) $ in Thousands		Dec. 31, 2024	Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent individually analyzed loans	[1]	$ 5,137,838	$ 5,647,706
Mortgage loans held for sale, at lower of cost or market		281,706	0
Collateral Dependent Individually Analyzed [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent individually analyzed loans		11,591	34,640
Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Mortgage loans held for sale, at lower of cost or market		281,706
Loan servicing right			8,512
Total assets at fair value		290,763	16,562
Nonrecurring [Member] | Collateral Dependent Individually Analyzed [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent individually analyzed loans		9,057	8,050
Nonrecurring [Member] | Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Mortgage loans held for sale, at lower of cost or market		0
Loan servicing right			0
Total assets at fair value		0	0
Nonrecurring [Member] | Level 1 [Member] | Collateral Dependent Individually Analyzed [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent individually analyzed loans		0	0
Nonrecurring [Member] | Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Mortgage loans held for sale, at lower of cost or market		281,706
Loan servicing right			0
Total assets at fair value		281,706	0
Nonrecurring [Member] | Level 2 [Member] | Collateral Dependent Individually Analyzed [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent individually analyzed loans		0	0
Nonrecurring [Member] | Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Mortgage loans held for sale, at lower of cost or market		0
Loan servicing right			8,512
Total assets at fair value		9,057	16,562
Nonrecurring [Member] | Level 3 [Member] | Collateral Dependent Individually Analyzed [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent individually analyzed loans		$ 9,057	$ 8,050

[1] Includes net unamortized loan origination costs of $10.9 million and $13.0 million, respectively, at December 31, 2024 and 2023 and net unamortized premiums on loans purchased from and serviced by other financial institutions of $242 thousand and $286 thousand, respectively, at December 31, 2024 and 2023.