Stock-Based Compensation - Schedule of Company's Stock Options Outstanding (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Number of Shares
Balance options outstanding, beginning (in shares)	0	9,000	38,689
Granted (in shares)	0	0	0
Exercised (in shares)	0	(9,000)	(29,689)
Forfeited (in shares)	0	0	0
Expired (in shares)	0	0	0
Balance options outstanding, end (in shares)	0	0	9,000
Exercisable, end of period (in shares)	0
Weighted- Average Exercise Price
Balance, beginning (in dollars per share)	$ 0	$ 14.35	$ 16.09
Granted (in dollars per share)	0	0	0
Exercised (in dollars per share)	0	14.35	16.61
Forfeited (in dollars per share)	0	0	0
Expired (in dollars per share)	0	0	0
Balance, ending (in dollars per share)	0	$ 0	$ 14.35
Exercisable (in dollars per share)	$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Weighted- Average Contractual Term, outstanding	0 years
Weighted- Average Contractual Term, exercisable	0 years
Aggregate Intrinsic Value, Exercises in period	$ 0	$ 203,963	$ 659,743
Aggregate Intrinsic Value, outstanding	0
Aggregate Intrinsic Value, exercisable	$ 0