Consolidated Statements of Cash Flows (Parenthetical) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013
Statement of Cash Flows [Abstract]
Noncash transaction deferred gains and post sale obligations	$ 334

Total carrying amount as of the balance sheet date of unearned revenue or income, not otherwise specified in the taxonomy, which is expected to be taken into income in future periods and obligations not separately disclosed in the balance sheet (other liabilities).

No definition available.

Name:	us-gaap_DeferredCreditsAndOtherLiabilities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant