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Fair Value Measurements - Mortgage Servicing Rights - Other (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Jun. 30, 2024	Dec. 31, 2023	Jun. 30, 2023	Dec. 31, 2022
Fair Value Measurements
Impaired loans with a specific allowance	$ 1,466,751		$ 1,466,751			$ 1,539,147
Allowance for credit loss	21,937	$ 22,462	21,937	$ 22,462	$ 21,980	$ 23,744	$ 22,236	$ 15,588
Collateral dependent impaired loans
Fair Value Measurements
Impaired loans with a specific allowance	1,800	2,600	1,800	2,600
Allowance for credit loss	300	20	300	20
Impaired financing receivable, charge-offs	$ 400	$ 3	$ 2,300	$ 30

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Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

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Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

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