Investment securities available for sale - Schedule of amortized cost and fair value of investment securities available for sale (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 90,868	$ 112,678
Gross Unrealized Gains	370	673
Gross Unrealized Losses	(8,114)	(7,766)
Fair Value	83,124	105,585
U.S. Government agencies obligations
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	655	20,690
Gross Unrealized Losses	(15)	(75)
Fair Value	640	20,615
Mortgage-backed securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	75,745	77,275
Gross Unrealized Gains	338	643
Gross Unrealized Losses	(5,877)	(5,381)
Fair Value	70,206	72,537
Municipals
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	2,263	2,264
Gross Unrealized Losses	(593)	(608)
Fair Value	1,670	1,656
Subordinated debt
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	12,205	12,449
Gross Unrealized Gains	32	30
Gross Unrealized Losses	(1,629)	(1,702)
Fair Value	$ 10,608	$ 10,777