Related party transactions - Related party transactions table (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Related Party Transaction [Line Items]
Beginning of period	$ 146,017	$ 125,337
New loans	10,365	23,381
Payments	(11,743)	(9,731)
Other Changes	(2,422)	7,030
End of period	$ 142,217	$ 146,017