Earnings (Loss) Per Share - Additional Information (Details) - shares		3 Months Ended
	Jul. 22, 2016	Mar. 31, 2017	Mar. 31, 2016
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Weighted average number of shares outstanding (in shares)	42,702,842		42,702,842
Shares excluded from the earnings (loss) per share calculation (in shares)		4,585,000	0
Common stock issuable to pre-Spin-Off minority shareholders of CTI
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Shares excluded from the earnings (loss) per share calculation (in shares)	109,354
Stock options
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Shares excluded from the earnings (loss) per share calculation (in shares)	7,362,933
Series A
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Weighted average number of shares outstanding (in shares)	13,522,288		13,522,288
Series B
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Weighted average number of shares outstanding (in shares)	711,992		711,992
Series C
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Weighted average number of shares outstanding (in shares)	28,468,562		28,468,562