Allowance for Credit and Loan Losses - Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Financing Receivable, Allowance for Credit Loss
Balance, beginning of period	$ 54,399	$ 52,215	$ 51,980	$ 50,029	$ 50,029
Credit loss expense (recovery)	(3,390)	1,044	152	4,128
Charge-offs	(1,742)	(771)	(4,655)	(2,449)
Recoveries	911	393	2,701	1,173
Balance, end of period	50,178	52,881	50,178	52,881	51,980
Mortgage Warehouse
Financing Receivable, Allowance for Credit Loss
Balance, beginning of period	0	736	0	481	481
Credit loss expense (recovery)	0	126	0	381
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Balance, end of period	0	862	0	862	0
Commercial
Financing Receivable, Allowance for Credit Loss
Balance, beginning of period	34,413	31,941	30,953	29,736	29,736
Credit loss expense (recovery)	271	861	3,768	2,951
Charge-offs	(319)	(38)	(471)	(149)
Recoveries	25	90	140	316
Balance, end of period	34,390	32,854	34,390	32,854	30,953
Real Estate
Financing Receivable, Allowance for Credit Loss
Balance, beginning of period	3,229	2,588	2,715	2,503	2,503
Credit loss expense (recovery)	(127)	78	393	154
Charge-offs	(415)	(2)	(843)	(5)
Recoveries	395	11	817	23
Balance, end of period	3,082	2,675	3,082	2,675	2,715
Consumer
Financing Receivable, Allowance for Credit Loss
Balance, beginning of period	16,757	16,950	18,312	17,309	17,309
Credit loss expense (recovery)	(3,534)	(21)	(4,009)	642
Charge-offs	(1,008)	(731)	(3,341)	(2,295)
Recoveries	491	292	1,744	834
Balance, end of period	$ 12,706	$ 16,490	$ 12,706	$ 16,490	$ 18,312