Shareholder's Equity (Tables)

12 Months Ended

Dec. 31, 2011

Shareholders Equity Tables [Abstract]

(Amounts in thousands, except share and per share amounts)
		Balance as of				Shares Outstanding at		Per Share
		December 31,				December 31,		Liquidation		Distribution
Preferred Shares		2011		2010		2011	2010	Preference		Rate
	6.5% Series A: authorized 5,750,000 shares	$	1,787	$	2,057	36,709	40,009	$	50.00	$	3.25
	7.0% Series E: authorized 3,450,000 shares		72,248		72,248	3,000,000	3,000,000	$	25.00	$	1.75
	6.75% Series F: authorized 6,000,000 shares		144,720		144,720	6,000,000	6,000,000	$	25.00	$	1.6875
	6.625% Series G: authorized 9,200,000 shares		193,135		193,135	8,000,000	8,000,000	$	25.00	$	1.656
	6.75% Series H: authorized 4,600,000 shares		108,549		108,549	4,500,000	4,500,000	$	25.00	$	1.6875
	6.625% Series I: authorized 12,050,000 shares		262,379		262,379	10,800,000	10,800,000	$	25.00	$	1.656
	6.875% Series J: authorized 9,850,000 shares		238,842		-	9,850,000	-	$	25.00	$	1.71875
		$	1,021,660	$	783,088	42,186,709	32,340,009

- Definition

Tabular disclosure of preferred units of master limited partnerships that have priority over limited partner units in areas including liquidation, redemption, conversion, tax status of distribution or sharing in distributions. This schedule ordinarily includes a description of the preferred units that details various rights including redemption, conversion, liquidation, and sharing in distributions; capital contributed by preferred partners; number of preferred units authorized to be issued, issued, and outstanding; aggregate cumulative cash distributions made to the preferred partners; aggregate cumulative net income earned by the preferred partners; capital account balance of the preferred partners.

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