Income taxes - Provision for income taxes (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Current:
Federal	$ 11,995	$ 453
State and local	2,835	350
Total	14,830	803
Deferred:
Federal	(323)	267
State and local	(1,126)	70
Total	(1,449)	337
Expense for income taxes	$ 13,381	$ 1,140

Amount of current federal tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, current national tax expense (benefit) for non-US (United States of America) jurisdiction.

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