Leases - Supplemental balance sheet information (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Assets
Operating lease assets	$ 23,828	$ 21,600
Operating lease, right-of-use asset, statement of financial position	Other assets	Other assets
Liabilities
Operating lease liabilities - current	$ 6,539	$ 5,251
Operating lease liabilities - non-current	21,895	20,086
Total operating lease liabilities	$ 28,434	$ 25,337
Operating lease, liability, current, statement of financial position	Accrued liabilities	Accrued liabilities
Operating lease, liability, noncurrent, statement of financial position	Other liabilities	Other liabilities