Intangible Assets Intangible Assets (Narrative) (Details) - $ / shares	3 Months Ended
Jun. 30, 2016	Feb. 03, 2016
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Document Period End Date	Jun. 30, 2016
Share Price	$ 4.53	$ 6.17
Common Stock, Par or Stated Value Per Share	$ 4.91

The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented. If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD.

No definition available.

Name:	dei_DocumentPeriodEndDate
Namespace Prefix:	dei_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration