Income Taxes - (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
Current:
Federal									$ (16,986)	$ 5,461	$ 669
State									192	719	1,117
Total current									(16,794)	6,180	1,786
Deferred:
Federal									15,169	1,803	1,497
State									2,263	(5,029)	1,955
Total deferred									17,432	(3,226)	3,452
Total provision for income taxes	$ 5,388	$ (1,911)	$ (987)	$ (1,852)	$ (306)	$ 2,585	$ 4,414	$ (3,739)	$ 638	$ 2,954	$ 5,238