Stockholders' Equity - Additional Information (Detail) - USD ($)	1 Months Ended	3 Months Ended
	May 31, 2016	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016	Feb. 29, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option available for future grants (in shares)		1,800,000
Tax payments, for net share settlement of share based award		$ 2,165,000	$ 744,000
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate intrinsic value price per share (in dollars per share)		$ 22.79
Total intrinsic value of options exercised		$ 700,000	$ 100,000
Number of options outstanding (in shares)		963,000		1,008,000
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized stock-based compensation expense related to non-vested stock options		$ 35,800,000
Weighted average period over which costs are recognized		2 years 11 months 27 days
Approximate units outstanding (in shares)		1,859,000		1,330,000
Performance Based Restricted Stock Unit
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Approximate units of performance restricted stock granted (in shares)		100,000
Approximate units outstanding (in shares)		200,000
Maximum additional shares to be issued		200,000
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares withheld, for net share settlement of share based award		83,300
Tax payments, for net share settlement of share based award		$ 2,200,000
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options outstanding (in shares)		200,000
Unvested performance options (in shares)		30,600
Unvested shares, expected to vest		25,000
2016 Stock Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Additional shares authorized	2,000,000.0
Outstanding common stock repurchase program authorized amount (up to)					$ 50,000,000.0
Shares repurchased during period		0
Cost of shares repurchased		$ 9,000,000
Average cost of shares repurchased (in dollars per share)		$ 18.86
Average price of shares repurchased (in dollars per share)		$ 18.83
Remaining authorized repurchase amount		$ 16,200,000
Rule 10b5-1 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares repurchased during period		500,000