Quarterly report pursuant to Section 13 or 15(d)

Earnings Per Share - Narrative (Details)

v3.7.0.1
Earnings Per Share - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 12 Months Ended
Oct. 19, 2016
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2015
Dec. 31, 2016
Subsidiary, Sale of Stock [Line Items]          
Common stock, shares authorized (in shares)   200,000,000     200,000,000
Common stock, par or stated value per share (in dollars per share)   $ 0.01     $ 0.01
Common units outstanding (in shares)       30,000,000  
Common units, converted       30,000,000  
Weighted average common shares outstanding (in shares)   37,500,000 30,000,000 30,000,000  
IPO          
Subsidiary, Sale of Stock [Line Items]          
Shares issued (in shares) 7,750,000        
Sale of stock, price per share (in dollars per share) $ 15.00        
Proceeds from issuance initial public offering $ 103.1        
Over-Allotment Option          
Subsidiary, Sale of Stock [Line Items]          
Shares issued (in shares) 7,500,000