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Accounting Policies And Other Matters (Details) (USD $) In Thousands	6 Months Ended
	Jun. 30, 2010
Accounting Policies And Other Matters
Adjustments to fair value of assets acquired	$ 2,005

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- Definition

Net Income and Retained Earnings Results in Adjustments To Fair Value Of Assets Acquired

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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- Details

Name:	us-gaap_GeneralPoliciesAbstract
Namespace Prefix:	us-gaap
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration