CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Statement of Cash Flows [Abstract]
Expenses deducted from proceeds received from new credit facility	$ 0us-gaap_DebtIssuanceCosts	$ 322us-gaap_DebtIssuanceCosts
Expenses included within payments of debt obligations	$ 0	$ 482

The cash outflow for incremental, external costs directly pertaining to an early extinguishment of debt, including legal costs and prepayment penalties, and excluding interest and repayment of debt principal.

No definition available.

Name:	us-gaap_PaymentsOfDebtExtinguishmentCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration