The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585

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

SUBSEQUENT EVENT (Details) - USD ($) $ in Thousands		9 Months Ended
SUBSEQUENT EVENT (Details) - USD ($) $ in Thousands	Oct. 31, 2017	Sep. 30, 2017	Sep. 30, 2016
Subsequent Event [Line Items]
Prepayment against principal balance of Term Debt		$ 46,000	$ 27,000
Subsequent event
Subsequent Event [Line Items]
Prepayment against principal balance of Term Debt	$ 126,000