Change in Net Deferred Tax Asset (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Change In Net Deferred Tax Asset (Liability) [Rollforward]
Deferred Tax Assets (Liabilities), Net	$ 2,425	$ 5,813	$ 3,683
Deferred Tax Benefit Expense Related To Continuing Operations	(624)	368	777
Deferred Taxes, Stockholders' Equity For Change In Accumulated Other Comprehensive (Income) Loss	(557)	(3,756)	1,353
Deferred Tax Assets (Liabilities), Net	$ 1,244	$ 2,425	$ 5,813

Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319

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Data Type:	xbrli:monetaryItemType
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