White Eagle Revolving Credit Facility - Reconciliation of Proceeds Distributed (Details) - White Eagle - Revolving Credit Facility $ in Thousands	3 Months Ended
Feb. 28, 2019 USD ($)
Reconciliation of Proceeds
Collection account balance at December 1, 2018	$ 28,059
Face value collected in current quarter	14,000
Other collections in current quarter	2,563
Face value collected	44,621
Expenses paid from the collection account Post-Petition
Premiums	(22,880)
Lender's Interest	(2,400)
White Eagle Credit Facility expenses	(2,779)
Total expenses paid from the collection account Post-Petition	(28,059)
Collection account balance at February 28, 2019	$ 16,563

The current cash, cash equivalents and investments that are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. Includes current cash equivalents and investments that are similarly restricted as to withdrawal, usage or disposal.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.1)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Name:	us-gaap_RestrictedCashAndInvestmentsCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant