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STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Parenthetical) (USD $)
12 Months Ended 11 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Equity Issuance, Per Share Amount $ 0.95us-gaap_EquityIssuancePerShareAmount $ 0.95us-gaap_EquityIssuancePerShareAmount  
Private Placement [Member]      
Equity Issuance, Per Share Amount $ 6.07us-gaap_EquityIssuancePerShareAmount
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_PrivatePlacementMember
   
IPO [Member]      
Equity Issuance, Per Share Amount $ 11us-gaap_EquityIssuancePerShareAmount
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_IPOMember
   
Preferred Class A [Member]      
Equity Issuance, Per Share Amount      $ 0.53us-gaap_EquityIssuancePerShareAmount
/ us-gaap_StatementClassOfStockAxis
= us-gaap_PreferredClassAMember