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Subsequent Events Footnote Tagging (Details) - Bankers Trust [Member] - USD ($)
Apr. 01, 2017
Apr. 30, 2017
Mar. 31, 2017
Subsequent Event [Member]      
Subsequent Event [Line Items]      
Line of credit, commitment fee $ 30,000    
3.31% Interest Bearing Line of Credit [Member]      
Subsequent Event [Line Items]      
Line of credit facility maximum borrowing capacity     $ 40,000,000
3.31% Interest Bearing Line of Credit [Member] | Subsequent Event [Member]      
Subsequent Event [Line Items]      
Line of credit facility maximum borrowing capacity   $ 50,000,000