Related-Party Transactions (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended	0 Months Ended	3 Months Ended
Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Oct. 31, 2013 Subsequent Event [Member]	Dec. 31, 2013 Scenario, Forecast [Member]
Related Party Transaction [Line Items]
Annual base rent expense, real estate taxes and other charges	$ 122	$ 128	$ 364	$ 368
Extended lease term					3 years
Expected annual base rent expense, real estate taxesm and other charges						481
Legal service costs	$ 25	$ 21	$ 98	$ 87

The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 5

-Paragraph 9

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.3)

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688

Name:	us-gaap_LegalFees
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration