Mortgage Servicing Rights - Schedule of Servicing Income and Expense Included in Mortgage Banking Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Transfers and Servicing of Financial Assets [Abstract]
Servicing income	$ 6,836	$ 7,244	$ 20,849	$ 21,907
Contractually Specified Servicing Fee Income, Statement of Income or Comprehensive Income [Extensible Enumeration]	Mortgage banking income, investment services and trust income, service charges on deposit accounts, ATM and interchange fees, Other expense	Mortgage banking income, investment services and trust income, service charges on deposit accounts, ATM and interchange fees, Other expense	Mortgage banking income, investment services and trust income, service charges on deposit accounts, ATM and interchange fees, Other expense	Mortgage banking income, investment services and trust income, service charges on deposit accounts, ATM and interchange fees, Other expense
Change in fair value of mortgage servicing rights	$ (4,473)	$ (8,826)	$ (14,696)	$ (11,219)
Change in fair value of derivative hedging instruments	1,083	4,336	4,006	(648)
Servicing income	3,446	2,754	10,159	10,040
Servicing expenses	1,409	1,732	4,974	5,612
Net servicing income	$ 2,037	$ 1,022	$ 5,185	$ 4,428