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Noncontrolling Interests In Subsidiaries (Tables)

3 Months Ended

Mar. 31, 2013


	Common
	Units
Balance at January 1, 2013	12,141,836
Redemption of common units for shares of common stock	(60,396)

Balance at March 31, 2013	12,081,440

Tabular disclosure of other units or shares or classes of ownership in a partnership.