Income Taxes - Income Tax Provision (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Income Tax Expense (Benefit), Continuing Operations [Abstract]
Provision for income taxes	$ 3,954	$ 26,799
Valuation allowance	3,600	26,700
Income tax expense (benefit)	400	$ 100
Unrecognized tax benefits	$ 0		$ 0