Amortized cost basis of loans on non-accrual status (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Nonaccrual Loans With Allowance [Member]
Commercial & industrial
Commercial real estate
Residential real estate
Consumer	9
Total	9
Nonaccrual Loans Without Allowance [Member]
Commercial & industrial	144
Commercial real estate	1,222
Residential real estate	858
Consumer	8
Total	2,232
Total Nonaccrual Loans [Member]
Commercial & industrial	144	$ 189
Commercial real estate	1,222	1,648
Residential real estate	858	820
Consumer	17	5
Total	$ 2,241	$ 2,662