Subsequent Events (Narrative) (Details) - Subsequent Event [Member] - Senior Bank Borrowings [Member] $ in Millions	Oct. 23, 2017 USD ($)
Subsequent Event [Line Items]
Percentage of interest rates decrease in bank borrowings	0.75%
Reduction in annual interest expense	$ 0.4

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

No definition available.

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Balance Type:	na
Period Type:	duration