Stockholders' Equity - Additional Information (Details) - USD ($)	12 Months Ended			37 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Jan. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Preferred Stock, Shares Authorized	5,000,000	5,000,000
Preferred Stock, Shares Issued	0	0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares	656,374	761,934
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price	$ 49.36	$ 49.38
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price	$ 51.16
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term	5 years 9 months
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	6 years 2 months	7 years 2 months
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	511,787
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	0
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price	$ 0.00
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value		$ 14.51	$ 18.82
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested Options Forfeited, Number of Shares	(26,686)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price	$ 42.84
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period	(78,874)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price	$ 51.81
Shares Available For Grant	1,000,000
Share based compensation awards vesting period	3 years
Preferred Stock, Par or Stated Value Per Share	$ 0.0001	$ 0.0001
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	0	0	0
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]
Unrecognized compensation costs	$ 1,000,000
Unrecognized compensation costs, expected weighted-average period to be recognized (in years)	1 year
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	P1Y
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	P3Y
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	$ 2,100,000	$ 2,000,000	$ 1,100,000
Unrecognized compensation costs	$ 3,700,000
Unrecognized compensation costs, expected weighted-average period to be recognized (in years)	1 year 9 months
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number	48,164
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	$ 300,000	$ (2,300,000)	(2,800,000)
Deferred compensation share-based arrangements, liability, classified, noncurrent	$ (2,400,000)		(800,000)
Deferred Compensation Share-based Arrangements, Liability, Current			$ (1,300,000)