Earnings per share - Schedule of Basic and Diluted Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Earnings Per Share [Abstract]
Net income		$ 2,637	$ 1,388	$ 4,421	$ 2,104
Weighted average shares outstanding:
Basic		13,780,074	13,961,862	13,888,569	13,979,411
Diluted	[1]	14,051,466	14,172,024	14,129,262	14,180,614
Earnings per share:
Basic		$ 0.19	$ 0.1	$ 0.32	$ 0.15
Diluted		$ 0.19	$ 0.1	$ 0.31	$ 0.15

[1] For the three and six months ended June 30, 2024 and 2023, diluted weighted average shares outstanding are calculated by the inclusion of unvested restricted stock units ("RSUs").