Income Taxes - Schedule of Income Tax Provision (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Current Expense:
Federal	$ 17,248	$ 1,709	$ 31
State	4,196	803	99
Current income tax provision	21,444	2,512	130
Deferred Expense (Benefit):
Federal	(2,799)	20,576	(15,955)
State	60	1,746	(4,107)
Deferred income tax provision (benefit)	(2,739)	22,322	(20,062)
Total Income Tax Expense (Benefit)	$ 18,705	$ 24,834	$ (19,932)