Other Matters - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Selling, General and Administrative Expenses
Other Matters [Line Items]
Wrote off uncollectible accounts		$ 16,000,000
Professional Fees	$ 14,300,000	11,100,000
Mr. Cole's Agreement
Other Matters [Line Items]
One time pre-tax resignation charge to be recognized	0	4,600,000
Mr. Cole's Agreement | Restatement Adjustment
Other Matters [Line Items]
Final settlement of unearned incentive compensation, clawed back amount	$ 2,200,000
Final settlement of unearned incentive compensation, clawed back shares	575,127
Gain on final settlement of unearned incentive compensation clawed back	$ 7,300,000
Mr. Cuneo’s Agreement
Other Matters [Line Items]
One time pre-tax appointment charge to be recognized		$ 1,200,000