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Earnings Per Share (Details)
0 Months Ended 3 Months Ended
Nov. 14, 2013
Mar. 31, 2014
Earnings per share    
Antidilutive shares excluded from computation of diluted earnings per share   264,047
Class A Common Stock
   
Earnings per share    
Share exchange ratio   1
PGHI Corp | Class C Profits Interests | Class A Common Stock
   
Earnings per share    
Number of shares entitled by warrants (in shares)   966,434
Holdings, LLC | Class A Common Stock
   
Earnings per share    
Share exchange ratio 1 1
Common interest and vested restricted common interests
   
Earnings per share    
Antidilutive shares excluded from computation of diluted earnings per share   17,128,856
Unvested restricted common interests
   
Earnings per share    
Antidilutive shares excluded from computation of diluted earnings per share   786,488