Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

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

Debt MIF Warehousing Agreement (Details) (USD $)	Dec. 31, 2012	Sep. 26, 2012	Sep. 25, 2012	Mar. 23, 2012	Dec. 31, 2011
Debt [Abstract]
Line of Credit Facility, Maximum Borrowing Capacity	$ 70,000,000			$ 60,000,000
Aggreate Maximum Principal Amount Permitted to be Outstanding Under All Warehousing Credit Lines		100,000,000	75,000,000
Maximum Borrowing Availabilitiy under Sterling Warehouse Line	15,000,000
Maximum Borrowing Availability under all Credit Lines	85,000,000
Notes payable - financial services operations	$ 67,957,000				$ 52,606,000