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Stockholders' Equity - Additional Information (Details) - USD ($)	12 Months Ended			37 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Jan. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Preferred Stock, Shares Authorized	5,000,000
Preferred Stock, Shares Issued	0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares	353,446	656,374
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price	$ 49.13	$ 49.36
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price	$ 50.16
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term	5 years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value	$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term	5 years 2 months 12 days	6 years 2 months 12 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value	$ 0	$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number	325,161
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value			$ 14.51
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested Options Forfeited, Number of Shares	(23,164)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price	$ 37.49
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period	(278,792)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price	$ 50.71
Shares Available For Grant	1,300,000
Share based compensation awards vesting period	3 years
Preferred Stock, Par or Stated Value Per Share	$ 0.0001
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	972
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Requisite service period of award	1 year
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Requisite service period of award	3 years
Equity Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period	10 years
Equity Option [Member] | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Terms of Award	one
Equity Option [Member] | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Terms of Award	three years
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number	0
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value	$ 2,900,000	2,100,000	$ 2,000,000.0
Unrecognized compensation costs	$ 7,000,000
Unrecognized compensation costs, expected weighted-average period to be recognized (in years)	2 years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number	81,214
Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation awards vesting period	1 year			3 years
Share based compensation expense	$ 2,900,000	300,000	$ (2,300,000)
Deferred compensation share-based arrangements, liability, classified, noncurrent	$ (5,200,000)	$ (2,400,000)

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