Assets measured at fair value (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Assets at fair value on a recurring basis
Securities available-for-sale	$ 177,477	$ 187,410
Fair Value, Inputs, Level 1 [Member]
Assets at fair value on a recurring basis
U.S. Treasury
U.S. Government Agency notes
Municipal bonds
U.S. Government agencies and U.S. Government-sponsored enterprises
U.S. Government agencies
Corporate bonds		833
Securities available-for-sale		833
Mutual funds		1,933
Fair Value, Inputs, Level 2 [Member]
Assets at fair value on a recurring basis
U.S. Treasury		17,133
U.S. Government Agency notes		27,154
Municipal bonds		46,538
U.S. Government agencies and U.S. Government-sponsored enterprises		61,875
U.S. Government agencies		21,936
Corporate bonds		11,941
Securities available-for-sale		186,577
Mutual funds
Fair Value, Inputs, Level 3 [Member]
Assets at fair value on a recurring basis
U.S. Treasury
U.S. Government Agency notes
Municipal bonds
U.S. Government agencies and U.S. Government-sponsored enterprises
U.S. Government agencies
Corporate bonds
Securities available-for-sale
Mutual funds
Fair Value, Inputs, Level 1, Level 2, and Level 3 [Member]
Assets at fair value on a recurring basis
U.S. Treasury		17,133
U.S. Government Agency notes		27,154
Municipal bonds		46,538
U.S. Government agencies and U.S. Government-sponsored enterprises		61,875
U.S. Government agencies		21,936
Corporate bonds		12,744
Securities available-for-sale		187,410
Mutual funds		$ 1,933
Fair Value Inputs Level 1 S A L [Member]
Assets at fair value on a recurring basis
U.S. Treasury
U.S. Government Agency notes
Municipal bonds
U.S. Government agencies and U.S. Government-sponsored enterprises
U.S. Government agencies
Corporate bonds	803
Securities available-for-sale	803
Mutual funds	2,020
Fair Value Inputs Level 2 S A L [Member]
Assets at fair value on a recurring basis
U.S. Treasury	17,245
U.S. Government Agency notes	25,516
Municipal bonds	43,662
U.S. Government agencies and U.S. Government-sponsored enterprises	58,069
U.S. Government agencies	20,825
Corporate bonds	11,357
Securities available-for-sale	176,674
Mutual funds
Fair Value Inputs Level 3 S A L [Member]
Assets at fair value on a recurring basis
U.S. Treasury
U.S. Government Agency notes
Municipal bonds
U.S. Government agencies and U.S. Government-sponsored enterprises
U.S. Government agencies
Corporate bonds
Securities available-for-sale
Mutual funds
Fair Value Inputs Level 12 And 3 S A L [Member]
Assets at fair value on a recurring basis
U.S. Treasury	17,245
U.S. Government Agency notes	25,516
Municipal bonds	43,662
U.S. Government agencies and U.S. Government-sponsored enterprises	58,069
U.S. Government agencies	20,825
Corporate bonds	12,160
Securities available-for-sale	177,477
Mutual funds	$ 2,020