Loans - Summary of loans by past due status (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Financing Receivable, Past Due [Line Items]
Nonaccrual Loans	$ 8,000	$ 10,940
Total Past Due & Nonaccrual Loans	8,042	10,942
Loans Not Past Due	1,407,452	1,385,832
Loans held for investment	1,415,494	1,396,774
30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Past due Loans	2
60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Past due Loans	40	2
Real Estate
Financing Receivable, Past Due [Line Items]
Loans held for investment	462,648	456,868
Real Estate \| Multifamily
Financing Receivable, Past Due [Line Items]
Nonaccrual Loans	8,000	10,940
Total Past Due & Nonaccrual Loans	8,000	10,940
Loans Not Past Due	356,877	344,225
Loans held for investment	364,877	355,165
Real Estate \| Commercial Real Estate
Financing Receivable, Past Due [Line Items]
Loans Not Past Due	86,797	87,038
Loans held for investment	86,797	87,038
Real Estate \| 1-4 Family
Financing Receivable, Past Due [Line Items]
Loans Not Past Due	10,974	14,665
Loans held for investment	10,974	14,665
Commercial
Financing Receivable, Past Due [Line Items]
Total Past Due & Nonaccrual Loans	2	2
Loans Not Past Due	934,139	920,565
Loans held for investment	934,141	920,567
Commercial \| 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Past due Loans	2
Commercial \| 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Past due Loans		2
Consumer
Financing Receivable, Past Due [Line Items]
Total Past Due & Nonaccrual Loans	40
Loans Not Past Due	18,665	19,339
Loans held for investment	18,705	$ 19,339
Consumer \| 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Past due Loans	$ 40