Income Taxes - Provision for Income Tax (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Schedule of provision for income taxes
Current income tax expense	$ 80,398	$ 80,373	$ 76,535
Deferred income tax (benefit) expense	(1,854)	(5,162)	3,349
Income tax expense	$ 78,544	$ 75,211	$ 79,884