Income taxes - Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Deferred:
Total deferred tax provision	$ 64	$ 62	$ 5,238
Income tax benefit	38	24	5,236
Continuing Operations
Current:
State	(26)	(46)	(11)
Total current tax provision	(26)	(46)	(11)
Deferred:
Federal	64	70	2,929
State	0	0	2,318
Total deferred tax provision	64	70	5,247
Income tax benefit	$ 38	$ 24	$ 5,236