Stock-Based Compensation - Additional Information (Detail) - USD ($)		3 Months Ended		6 Months Ended		12 Months Ended
	Jan. 28, 2016	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2013	Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of performance target level deemed to be satisfied on performance based compensation upon merger				100.00%
Common stock issued				16,444
Fair value of common stock issued				$ 400,000
Common stock, shares issued		86,662		86,662			86,357
Compensation expense		$ 6,100,000	$ 6,200,000	$ 11,500,000	$ 13,800,000
2006 EIP and 2013 LTIP [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock issued				679,594
Unrecorded and unrecognized compensation expense related to unvested share based compensation stock options		200,000	700,000	$ 200,000	700,000
Unrecorded and unrecognized compensation expense related to unvested share based compensation on restricted stock, Recognition period				7 months 6 days
2013 LTIP [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecorded and unrecognized compensation expense related to unvested share based compensation on restricted stock, Recognition period				2 years 3 months 18 days
Unrecorded and unrecognized compensation expense related to unvested share based compensation on restricted stock		$ 40,600,000	45,500,000	$ 40,600,000	45,500,000
Vesting Award [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights, percentage				25.00%
Time Vested Restricted Stock And Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based payment award vesting period				3 years 8 months 12 days
Shares issued				471,120
Fair value of restricted stock				$ 11,300,000
Awards vested				96,917
Awards outstanding		61,114		61,114
Shares withheld in settlement of related payroll taxes				35,803
Time Vested Restricted Stock And Restricted Stock Units [Member] | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based payment award vesting period				3 years
Time Vested Restricted Stock And Restricted Stock Units [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based payment award vesting period				4 years
Performance-Based Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based payment award vesting period				2 years 8 months 12 days
Shares issued				192,030
Fair value at the date of grant				$ 5,200,000
Performance-Based Restricted Stock Units [Member] | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Contingent right to receive common stock shares				0
Performance-Based Restricted Stock Units [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Contingent right to receive common stock shares				1.75
Stock Compensation Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, shares authorized						1,000,000
Common stock, additional shares authorized	1,000,000
Percentage of annual compensation designated by employees						50.00%
Maximum shares purchasable per person						2,000
Percentage of shares purchase price to market closing price						85.00%
Maximum voting power						5.00%
Maximum stock purchased to fair market value						$ 25,000
Shares issued from the Employee Stock Purchase Plan				173,249
Common stock, shares issued		1,119,803		1,119,803
Compensation expense		$ 300,000	$ 300,000	$ 700,000	$ 700,000
Employee Stock Purchase Plan suspension date				Jul. 01, 2017
Non-employee Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based payment award vesting period				1 year