Intangible Asset. (Details)	Dec. 31, 2006 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
Intangible asset value	$ 2,678,000

Amount after accumulated amortization of finite-lived and indefinite-lived intangible assets classified as other.

No definition available.

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