Income Taxes - Effective Income Tax Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Effective income tax rate reconciliation
Income taxes at 21% statutory tax rate	$ 37,076	$ 15,780	$ 14,739
Profit of non-controlling interest not subject to U.S. federal tax	(7,339)	(3,754)	(5,508)
Foreign income taxes (net of foreign tax credit)	2,104	2,423	269
State income taxes (excluding rate change)	2,910	1,348	883
Impact of change in forecasted state income tax rate	(1,739)	1,347	(1,216)
Foreign withholding taxes	1,225	730	462
Change in valuation allowance	(1,381)	(8,977)	2,840
Adjustments of prior year taxes	(120)	79	(1,663)
Stock compensation	(1,743)	(1,096)	(34)
Other	437	(205)	198
Total provision for income taxes	$ 31,430	$ 7,675	$ 10,970