Quarterly report pursuant to Section 13 or 15(d)

Debt (narrative) (Detail)

v3.5.0.2
Debt (narrative) (Detail)
$ in Millions
6 Months Ended
Jun. 30, 2016
USD ($)
Line Of Credit Facility [Line Items]  
Credit facility borrowing base $ 20.0
Senior Tranche [Member]  
Line Of Credit Facility [Line Items]  
Debt instrument, commitment fee 1.50%
Line Of Credit Facility Maximum Borrowing Capacity $ 50.0
Subordinated Tranche [Member]  
Line Of Credit Facility [Line Items]  
Debt instrument, commitment fee 2.30%
Line Of Credit Facility Maximum Borrowing Capacity $ 15.0