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Subsequent Events (Details) (Subsequent Event [Member], USD $)
0 Months Ended
May 01, 2013
Subsequent Event [Line Items]  
Remaining Capital Commitment $ 0
Common Shares [Member]
 
Subsequent Event [Line Items]  
Gross Proceeds from Stock Issuance 150,000,000
Net proceeds from issuance 148,500,000
IPO [Member] | Common Shares [Member]
 
Subsequent Event [Line Items]  
Shares issued 6,450,000
Share price $ 20.00
Private Placement [Member] | Common Shares [Member]
 
Subsequent Event [Line Items]  
Shares issued 1,050,000
Share price $ 20.00
Value of shares issued $ 21,000,000