2. Restricted Cash (Details Narrative) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Restricted cash	$ 106,100	$ 175,400
Securitization transactions [Member]
Restricted cash	$ 38,900	$ 31,200

Cash and investments whose use in whole or in part is restricted for the long-term, generally by contractual agreements or regulatory requirements. For use in an unclassified balance sheet.

No definition available.

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