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Subsequent Events (Details) - Debt Facility Sun Trust Facility Agreement Due January 2021 - Revolving Credit Facility - Subsequent Event
Jul. 19, 2019
USD ($)
Subsequent Event [Line Items]  
Line of credit facility, increase $ 20,000,000
Line of credit facility, maximum borrowing capacity $ 105,000,000
LIBOR  
Subsequent Event [Line Items]  
Basis spread on variable rate 3.00%