Condensed Consolidated Statements Of Comprehensive Income (USD $)	3 Months Ended
Mar. 31, 2012	Mar. 31, 2011
Statement Of Comprehensive Income [Abstract]
Comprehensive Income	$ 55,473,554	$ 47,312,805

- Definition

The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

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