LHFI and ACL, LHFI - Additional Information (Details 2) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($) KeyRatio	Sep. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)
Financing Receivable Recorded Investment [Line Items]
Number of days used as baseline in evaluating collateral documentation exceptions for loan policy			90 days
Number of key quality ratios | KeyRatio			6
Exposure for commercial non accrual loans to be reviewed on individual basis	$ 500		$ 500
LHFS past due 90 days or more	63,700		$ 63,700		$ 51,200
Percentage of outstanding principal to be repurchased under GNMA optional repurchase program			100.00%
Exposure for Modified Commercial Accrual Loans Deemed To Be Reviewed On Individual Basis	500		$ 500
Other Real Estate Secured [Member]
Financing Receivable [Abstract]
PCL				$ 1,200
Troubled Debt Restructurings [Member]
Financing Receivable Recorded Investment [Line Items]
Amortized Cost Basis	916	$ 442	2,668	1,847
Other Construction [Member]
Financing Receivable [Abstract]
PCL		4,600		5,400
Other Commercial Loans and Leases Financing Receivable [Member] | Troubled Debt Restructurings [Member]
Financing Receivable Recorded Investment [Line Items]
Amortized Cost Basis				31
Loans Held for Investment [Member]
Financing Receivable [Abstract]
PCL	7,923	$ 8,322	30,327	$ 19,777
Minimum [Member]
Financing Receivable [Abstract]
Credit amount used as baseline in evaluating loan policy	$ 100		$ 100