Long-Term Debt - Schedule Of Consolidated Secured Leverage Ratio (Details) - Line of Credit [Member]	Jun. 30, 2017
September 30, 2017 through and including June 30, 2018 [Member]
Debt Instrument [Line Items]
Maximum Consolidated Secured Leverage Ratio	3.00
September 30, 2018 and each fiscal quarter thereafter [Member]
Debt Instrument [Line Items]
Maximum Consolidated Secured Leverage Ratio	2.50

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration