Mortgage Servicing Rights - Schedule of Servicing Income and Expense Included in Mortgage Banking Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Servicing income:
Servicing income	$ 30,263	$ 30,763	$ 28,890
Contractually Specified Servicing Fee Income, Statement of Income or Comprehensive Income [Extensible Enumeration]	Mortgage banking income, service charges on deposit accounts, investment services and trust income, ATM and interchange fees, Other expense	Mortgage banking income, service charges on deposit accounts, investment services and trust income, ATM and interchange fees, Other expense	Mortgage banking income, service charges on deposit accounts, investment services and trust income, ATM and interchange fees, Other expense
Change in fair value of mortgage servicing rights	$ (11,308)	$ 32,044	$ (3,503)
Change in fair value of derivative hedging instruments	(4,918)	(42,143)	(8,614)
Servicing income	14,037	20,664	16,773
Servicing expenses	8,093	10,259	9,862
Net servicing income (loss)	$ 5,944	$ 10,405	$ 6,911