Operating Leases - Operating lease income and expense and other supplemental information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Operating lease income and expense
Operating lease cost	$ 12,161	$ 8,186	$ 6,449
Variable lease cost	1,583	1,066	757
Short-term lease cost	169	85	100
Total lease cost	13,913	9,337	7,306
Sublease income and rental income from owned properties under operating leases	$ 1,372	$ 976	$ 1,022