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Subsequent Events (Details) (Subsequent Event [Member], USD $)
In Millions, unless otherwise specified
Apr. 15, 2015
acre
Subsequent Event [Member]
  
Subsequent Event [Line Items]  
Number of acres of land to be purchased 32cphc_NumberOfAcresOfLandToBePurchased
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
Approximate payment for land under agreement $ 4.8cphc_ApproximatePaymentForLandUnderAgreement
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember