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

CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (Parenthetical) - Senior Secured Notes [Member]	Jun. 30, 2015	Mar. 10, 2015	Dec. 31, 2014	Jun. 05, 2013
6.875% Senior Secured Notes [Member]
Interest rate	6.875%	6.875%
8.25% Senior Secured Notes [Member]
Interest rate	8.25%		8.25%	8.25%