Income Taxes - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Taxes (Textual) [Abstract]
Net expense (benefit) in other comprehensive income	$ 4,012,000	$ 19,716,000	$ 67,453,000
Effective tax rate	20.21%	18.35%
Operating loss carryforwards allowance	$ 0
Accrued interest and penalties related to unrecognized tax benefits	41,000	$ 26,000	$ 17,000
Unfunded commitment	16,711,000
Limited Partnerships
Income Taxes (Textual) [Abstract]
Investment tax credit	13,366,000	11,951,000
Benefits recognized from investment tax credits	2,977,000	1,844,000
Amortization of investment	2,851,000	1,741,000
State
Income Taxes (Textual) [Abstract]
Unused tax credit	$ 11,115,000	$ 5,107,000
State | Minimum [Member]
Income Taxes (Textual) [Abstract]
Tax credit carry forward period	5 years
State | Maximum [Member]
Income Taxes (Textual) [Abstract]
Tax credit carry forward period	25 years