Annual report pursuant to Section 13 and 15(d)

Subsequent Events (Narrative) (Details)

v3.10.0.1
Subsequent Events (Narrative) (Details) - Senior Subordinated Notes - Subsequent Event
Sep. 14, 2018
USD ($)
Secured Senior Term Notes, Series 2018-1, Class A  
Subsequent Event [Line Items]  
Debt instrument, face amount $ 72,000,000
Stated interest rate (in percentage) 4.98%
Secured Senior Term Notes, Series 2018-1, Class B  
Subsequent Event [Line Items]  
Debt instrument, face amount $ 28,000,000
Stated interest rate (in percentage) 5.98%