Income Tax (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
Income Tax [Abstract]
Income tax expense	$ 2,665	$ 3,523	$ 7,771	$ 4,468
Decrease in income tax expense	0	$ 0	100	$ 200
Gross unrecognized tax benefits	$ 200		$ 200		$ 200