Fair Value Disclosures - Reconciliation for all Assets Measured at Fair Value on a Recurring Basis Using Significant Unobservable Inputs (Level 3) (Details) - Capitalized Mortgage Loan Servicing Rights - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ 44,406	$ 44,427	$ 42,243	$ 42,489
Total gains (losses) realized and unrealized:
Included in results of operations	(5,378)	471	(4,995)	456
Included in other comprehensive loss	0	0	0	0
Purchases, issuances, settlements, maturities and calls	1,176	1,159	2,956	3,112
Transfers in and/or out of Level 3	0	0	0	0
Ending balance	40,204	46,057	40,204	46,057
Amount of total gains (losses) for the period included in earnings attributable to the change in unrealized gains (losses) relating to assets and liabilities still held at September 30	$ (5,378)	$ 471	$ (4,995)	$ 456