Leases - Lease right-of-use assets and liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Lease Right-of-Use Assets
Operating lease right-of-use assets	$ 5,419	$ 3,727
Finance lease right-of-use assets		$ 87
Finance Lease, Right-of-Use Asset, balance sheet location	Land, premises and equipment, net	Land, premises and equipment, net
Total lease right-of-use assets	$ 5,419	$ 3,814
Operating lease liabilities	$ 5,902	4,275
Finance lease liabilities		$ 203
Finance lease liabilities, balance sheet location	Long-term debt	Long-term debt
Total lease liabilities	$ 5,902	$ 4,478