Contractual interest rate for funds borrowed, under the debt agreement.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Subsequent Events (Details) - Senior Secured Notes - 6.875% Senior Secured Notes - USD ($) $ in Millions	Feb. 26, 2016	Dec. 31, 2015	Mar. 10, 2015
Subsequent Event [Line Items]
Interest rate		6.875%	6.875%
Subsequent Event
Subsequent Event [Line Items]
Debt repurchased in the open market	$ 35.0
Interest rate	6.875%