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Loans and Allowance for Loan Losses - Narrative (Details) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2025 USD ($) loan loans	Mar. 31, 2025 USD ($)	Jun. 30, 2024 USD ($) loan	Jun. 30, 2025 USD ($) loan loans	Jun. 30, 2024 USD ($) loan	Dec. 31, 2024 USD ($)
Financing Receivable, Allowance for Credit Loss [Line Items]
Mortgage Loans in Process of Foreclosure, Amount	$ 0			$ 0		$ 40
Reversal of interest income on nonaccrual loans	56		$ 14	68	$ 59
Nonaccrual loans, no allowance	763			763		650
Collateral-dependent loans	36,500			36,500		6,900
Accrued interest receivable on our loan portfolio	$ 20,400			$ 20,400		$ 20,200
Financing Receivable, Excluding Accrued Interest, Modified In Period, Number Of Contracts | loan	9		1	11	1
Financing Receivable, Modified, Number Of Loans | loans	13			13
Financing Receivable, Excluding Accrued Interest, Modified, Accumulated	$ 28,100			$ 28,100
Commercial Real Estate Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
General Loan Term				20 years
Owner and nonowner-occupied real estate	1,840,000			$ 1,840,000
Loans secured by multi-family properties	739,200			739,200
Loans secured by farmland	31,300			31,300
Commercial loans | Extended Maturity
Financing Receivable, Allowance for Credit Loss [Line Items]
Modified in period, amount	$ 526		$ 26	$ 28,000	$ 26
1-4 Family Residential Real Estate Loans | Minimum
Financing Receivable, Allowance for Credit Loss [Line Items]
General Loan Term				15 years
1-4 Family Residential Real Estate Loans | Maximum
Financing Receivable, Allowance for Credit Loss [Line Items]
General Loan Term				30 years
Commercial Real Estate | Extended Maturity
Financing Receivable, Allowance for Credit Loss [Line Items]
Modified in period, amount		$ 27,500

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