Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
Jun. 30, 2014
Income Taxes [Abstract]
Period for which no expected change in unrecognized tax benefit is anticipated	12 months
Net income impact of tax valuation allowance release	$ 810

Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 45

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=37586315&loc=d3e32123-109318

Name:	us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration