Nature of Business (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Unusual or Infrequent Item, or Both [Line Items]
Income tax provision benefit (expense)	$ 1,020	$ (38)	$ (27)	$ 11,304	$ (220)	$ 309	$ (42)	$ (42)	$ 12,259	$ 5	$ (26,582)
Income tax receivable	10,045				$ 18				10,045	$ 18
CARES Act
Unusual or Infrequent Item, or Both [Line Items]
Income tax provision benefit (expense)									11,300
Federal tax refund									1,200
Income tax receivable	$ 10,100								$ 10,100