Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Credit Facility (Details)

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Commitments and Contingencies - Credit Facility (Details)
Jun. 30, 2017
Term Debt | Repayment Period 1  
Debt Instrument [Line Items]  
Prepayment fee percentage 2.00%
Term Debt | Repayment Period 2  
Debt Instrument [Line Items]  
Prepayment fee percentage 1.00%
Term Debt | Repayment Period 3  
Debt Instrument [Line Items]  
Prepayment fee percentage 5.50%
Revolving Line of Credit | Repayment Period 4  
Debt Instrument [Line Items]  
Prepayment fee percentage 3.00%
Revolving Line of Credit | Repayment Period 5  
Debt Instrument [Line Items]  
Prepayment fee percentage 2.00%
Revolving Line of Credit | Repayment Period 6  
Debt Instrument [Line Items]  
Prepayment fee percentage 1.00%