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Allowance for Loan Credit Losses - Past due and non-accrual loans (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2026	Sep. 30, 2026	Dec. 31, 2025
Financing receivable, past due
Total past due		$ 267
Total Past Due and Nonaccrual Loans		267	$ 2,210
Current		2,004,969	1,968,066
Total loans		2,005,236	1,970,276
Other real estate owned		0	0
Commercial Real Estate \| Real Estate Loans
Financing receivable, past due
Current		1,214,744	1,173,617
Total loans		1,214,744	1,173,617
Construction and land development \| Real Estate Loans
Financing receivable, past due
Current		199,882	222,659
Total loans		199,882	222,659
Residential Real Estate \| Real Estate Loans
Financing receivable, past due
Total Past Due and Nonaccrual Loans			1,126
Current		541,314	521,864
Total loans		541,314	522,990
Commercial \| Commercial - Non-Real Estate
Financing receivable, past due
Total past due		267
Total Past Due and Nonaccrual Loans		267	1,084
Current		48,324	48,883
Total loans		48,591	49,967
Consumer \| Consumer - Non-Real Estate
Financing receivable, past due
Current		705	1,043
Total loans		705	1,043
SBA loan
Financing receivable, past due
Total past due		$ 267
Charge-off	$ 89
30-59 Days Past Due
Financing receivable, past due
Total past due			370
30-59 Days Past Due \| Residential Real Estate \| Real Estate Loans
Financing receivable, past due
Total past due			370
60-89 Days Past Due
Financing receivable, past due
Total past due			756
60-89 Days Past Due \| Residential Real Estate \| Real Estate Loans
Financing receivable, past due
Total past due			756
90 Days or More Past Due
Financing receivable, past due
Total past due			1,084
90 Days or More Past Due \| Commercial \| Commercial - Non-Real Estate
Financing receivable, past due
Total past due			$ 1,084