Subsequent Events (Details) (Repair Group, Subsequent Event, USD $) In Thousands, unless otherwise specified	Jan. 30, 2015
Repair Group \| Subsequent Event
Subsequent Event [Line Items]
Expected sales price of building and land classified as assets held for sale	$ 1,550

Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

No definition available.

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