Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Valuation allowance
Income tax provision	$ 3,842	$ 2,271	$ 5,563	$ 3,312
Increase in income tax expense	1,500		2,300
Increase in pretax income	7,200		13,100
Deferred tax assets, net	51,386		51,386		$ 57,851
Deferred tax assets valuation allowance	$ 9,100		$ 9,100
Maximum
Valuation allowance
Statutory income tax rate (as a percent)	21.00%	21.00%	21.00%	21.00%