Income Tax Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Income Tax Disclosure [Abstract]
Income tax expense	$ 7,509	$ 12,543	$ 12,744	$ 20,059
Effective tax rate	24.10%	26.60%	30.20%	26.30%