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Equity-Based Compensation - Additional Information (Detail)			1 Months Ended	3 Months Ended			12 Months Ended
	May 08, 2017 Executive $ / shares	Mar. 03, 2017 shares	Apr. 30, 2016 USD ($)	Jun. 30, 2017 USD ($)	Mar. 31, 2017 USD ($) shares	Mar. 31, 2016 USD ($)	Dec. 31, 2017	Dec. 31, 2016 USD ($) shares	Apr. 01, 2016 shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Equity-based compensation expense \| $					$ 4,114,000	$ 29,590,000
Unrecognized equity compensation cost \| $					$ 54,960,000
Unvested shares of common stock					5,337,118
Omnibus Incentive Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock reserved for future issuance					15,000,000
Shares available for future issuance					6,983,314
2017 Bonus Plan [Member] \| Scenario, Forecast [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of bonus payable by cash							50.00%
2016 Bonus Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of bonus payable by cash								50.00%
2017 Long-Term Incentive Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Granted shares					637,289
2017 Long-Term Incentive Plan Below Threshold Performance [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting percentage, per year					0.00%
2017 Long-Term Incentive Plan Threshold Performance [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting percentage, per year					50.00%
2017 Long-Term Incentive Plan Target Performance [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting percentage, per year					100.00%
2017 Long-Term Incentive Plan At or Above Maximum Performance [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting percentage, per year					200.00%
Long-Term Incentive Plan Below Threshold Performance [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting percentage, per year					0.00%
Long-Term Incentive Plan Threshold Performance [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting percentage, per year					50.00%
Long-Term Incentive Plan Target Performance [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting percentage, per year					100.00%
Long-Term Incentive Plan At or Above Maximum Performance [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting percentage, per year					200.00%
2.25x Performance Restricted Shares [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Equity-based compensation expense \| $						27,516,000
Unvested shares of common stock									1,370,821
Accumulated dividends related to performance shares which vested during the period \| $			$ 3,400,000
Bonus Performance Restricted Shares [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Granted shares		888,235			888,235
Unvested shares of common stock					888,235			451,289
Bonus Performance Restricted Shares [Member] \| 2017 Bonus Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized equity compensation cost \| $					$ 7,500,000
Equity grant effective date		Mar. 03, 2017
Bonus Performance Restricted Shares [Member] \| 2017 Bonus Plan [Member] \| Scenario, Forecast [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of bonus payable by shares							50.00%
Performance goals							Is based upon the Company’s achievement of specified performance goals with respect to Fiscal 2017 Adjusted EBITDA (weighted at 50%), Total Revenue (weighted at 30%) and Adjusted EBITDA Margin (weighted at 20%).
Adjusted EBITDA performance goal weight							50.00%
Total revenue performance goal weight							30.00%
Adjusted EBITDA margin performance goal weight							20.00%
Bonus Performance Restricted Shares [Member] \| 2016 Bonus Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Equity-based compensation expense \| $								$ 0
Percentage of bonus payable by shares								50.00%
Below Threshold Performance Bonus Restricted Shares [Member] \| 2017 Bonus Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting percentage, per year					0.00%
Threshold Performance Bonus Restricted Shares [Member] \| 2017 Bonus Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting percentage, per year					30.00%
Target Performance Bonus Restricted Shares [Member] \| 2017 Bonus Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting percentage, per year					100.00%
At or Above Maximum Performance Bonus Restricted Shares [Member] \| 2017 Bonus Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting percentage, per year					200.00%
Long Term Incentive Time Restricted Shares \| 2017 Long-Term Incentive Plan [Member] \| Executives [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period					5 years
Long Term Incentive Time Restricted Shares \| 2017 Long-Term Incentive Plan [Member] \| Third Anniversary [Member] \| Employees [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period					3 years
Vesting percentage, per year					100.00%
Long Term Incentive Time Restricted Shares \| 2017 Long-Term Incentive Plan [Member] \| Third Anniversary [Member] \| Executives [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting percentage, per year					33.00%
Long Term Incentive Time Restricted Shares \| 2017 Long-Term Incentive Plan [Member] \| Fourth Anniversary [Member] \| Executives [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting percentage, per year					33.00%
Long Term Incentive Time Restricted Shares \| 2017 Long-Term Incentive Plan [Member] \| Fifth Anniversary [Member] \| Executives [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting percentage, per year					33.00%
Long Term Incentive Time Restricted Shares \| 2016 and 2015 Long-Term Incentive Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period					4 years
Vesting percentage, per year					25.00%
Long-Term Incentive Performance Restricted Shares [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized equity compensation cost \| $					$ 10,400,000
Granted shares					791,108
Unvested shares of common stock					964,781			212,369
Long-Term Incentive Performance Restricted Shares [Member] \| 2017 Long-Term Incentive Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Adjusted EBITDA performance goal weight					50.00%
Total revenue performance goal weight					30.00%
Adjusted EBITDA margin performance goal weight					20.00%
Performance period					3 years
Long-Term Incentive Performance Restricted Shares [Member] \| 2016 and 2015 Long-Term Incentive Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Performance period					3 years
Shares earned, percentage					33.00%
Long-Term Incentive Performance Restricted Shares [Member] \| 2016 and 2015 Long-Term Incentive Plan [Member] \| Maximum Performance [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Awarded shares					444,568
Long-Term Incentive Performance Restricted Shares [Member] \| 2016 and 2015 Long-Term Incentive Plan [Member] \| Fiscal 2017 [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Granted shares					148,190
Long-Term Incentive Performance Restricted Shares [Member] \| 2016 Long-Term Incentive Plan [Member] \| Fiscal 2018 [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Awarded shares					117,076
Long-Term Incentive Options [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period					4 years
Vesting percentage, per year					25.00%
Long-Term Incentive Options, expiration period					10 years
2.75x Performance Restricted Shares [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Equity-based compensation expense \| $					$ 0	$ 0
Unvested shares of common stock					1,300,995			1,310,726
Return on investment					2.75%
Annualized effective compounded return rate					15.00%
Additional future funds to receive \| $					$ 421,000,000
2.75x Performance Restricted Shares [Member] \| Modification of Vesting Conditions [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Sale of stock percentage closing date					May 08, 2017
2.75x Performance Restricted Shares [Member] \| Modification of Vesting Conditions [Member] \| Upon Closing of Sale [Member] \| Subsequent Event [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Annualized effective compounded return rate	15.00%
Percentage of restricted shares to vest	60.00%
Percentage of targeted return met	97.00%
Acquisition price paid per share \| $ / shares	$ 23.00
Number of senior executives agreed to forfeit \| Executive	8
Percentage of restricted shares to forfeit by executives	40.00%
2.75x Performance Restricted Shares [Member] \| Scenario, Forecast [Member] \| Modification of Vesting Conditions [Member] \| Upon Closing of Sale [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Equity-based compensation expense \| $				$ 8,400,000
Accumulated dividends related to performance shares which vested during the period \| $				$ 1,300,000