Stockholders' Equity and Partners' Capital - Narrative (Details) - USD ($)
1 Months Ended 3 Months Ended
Feb. 29, 2016
Mar. 31, 2017
Subsidiary, Sale of Stock [Line Items]    
Shares withheld for taxes (in shares)   100,000
Shares withheld for taxes, value   $ 800,000
Stock repurchase program, authorized amount $ 200,000,000  
Stock repurchase program, period in force (in months) 18 months  
Stock repurchased during period   $ 0
ATM Program, November 2016    
Subsidiary, Sale of Stock [Line Items]    
Issuance of common shares (in shares)   0
Gross proceeds capacity remaining   $ 500,000,000