Other Borrowings - Junior Subordinated Debt (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Junior Subordinated Debt
Junior Subordinated Debt
Debt instrument term	5 years
Junior subordinated debt securities	$ 118,600,000
Long-term Debt, Weighted Average Interest Rate, at Point in Time	7.34%	6.39%
Long-term Debt, Weighted Average Interest Rate, over Time	7.05%	3.49%
Junior Subordinated Debt net of discount
Junior Subordinated Debt
Junior subordinated debt securities	$ 117,600,000	$ 117,400,000
Discount	$ 900,000	$ 1,200,000
Long-term Debt, Weighted Average Interest Rate, over Time	7.32%	3.73%
SAVB Capital Trust I and II and FFCH Capital Trust I | Junior Subordinated Debt
Junior Subordinated Debt
Liability for the junior subordinated debt securities recorded on SAVB Capital Trust I and II	$ 117,600,000
Discount	926,000
Amount paid to holders, if the entity call backs the subordinated debt securities	$ 118,600,000
Discount amortization period	4 years