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Related Party Transactions - Stockholders' Agreement (Details)
 12 Months Ended
Jan. 13, 2016
nominee
director
Apr. 01, 2015
USD ($)
director
director_nominee
shares
Dec. 31, 2016
shares
Mar. 31, 2015
director
Related Party Transaction [Line Items]        
Directors on the board | director 10 11   8
Director nominees on the board | director_nominee   3    
Number of director nominees who resigned | director 1      
Number of nominees able to be designated | nominee 3      
Equity consideration, lower threshold for three nominee designations   50.00%    
Number of director nominees designated, sponsor stockholders, equity consideration, 30% to 50% | director_nominee   2    
Number of director nominees designated, sponsor stockholders, equity consideration, 15% to 30% | director_nominee   1    
Equity consideration, lower threshold for nominee designations   15.00%    
Minimum number of nominees held to increase the number of directors on the board | nominee 1      
Maximum directors on the board | director 12      
Number of nominees permitted to be appointed to committees, given sponsor stockholders' right to designate two director nominees | director_nominee   1    
Upper threshold of equity interests for sponsor stockholders' restrictions   10.00%    
Aggregate maximum common stock issuable without written consent | shares   16,843,028    
Upper threshold of sponsor stockholders' equity consideration to maintain proxy voting   15.00%    
Holding period for redemption of units and grants   14 months    
Number of shares used in exchange valuation | shares   1    
Stock redeemed during period | shares     46,250,000  
Holding period prior to transfers of common units   14 months    
Adjusted maximum aggregate common interests for sponsor stockholders | shares   17,707,056    
Maximum tenant ownership allowable for sponsor stockholders to reach excepted holder limit, overall company excluding Market street   9.90%    
Maximum tenant ownership allowable for sponsor stockholders to reach excepted holder limit, Market street   5.45%    
Maximum tenant ownership allowable for sponsor stockholders to reach excepted holder limit, minimum ownership percentage after exclusions   2.00%    
Maximum rental income expected to be produced by tenants allowable for sponsor stockholders to reach excepted holder limit, overall company excluding Market street   0.50%    
Maximum rental income expected to be produced by tenants allowable for sponsor stockholders to reach excepted holder limit, Market street   0.50%    
Minimum period between qualified offerings   120 days    
Qualified offerings, minimum amount | $   $ 50,000,000.0    
Upper threshold for sponsor stockholders' equity consideration at which company cannot consummate significant transactions   9.80%    
Maximum aggregate value of units for redemption | $   $ 50,000,000.0