Exhibit 12.1

STATEMENT OF COMPUTATION OF RATIOS OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERRED DIVIDENDS

	Year Ended December 31,															Three Months Ended
	2001			2002			2003			2004			2005			March 31, 2006
Pre tax Earnings before minority interest and gain on issuance of units of the Partnership	$	(4,025	)	$	418		$	10,426		$	22,088		$	18,765		$	1,954
Add back fixed charges:
Interest Expense		2,253			2,717			3,392			9,339			16,076			8,679
Less Pre-tax earnings required to pay preferred dividends		(3,031	)		(4,648	)		(5,514	)		(208	)		—			—
Earnings before fixed charges and preferred dividends	$	(4,803	)	$	(1,513	)	$	8,304		$	31,219		$	34,841		$	10,633
Fixed Charges:
Capitalized Interest		—			—			—			—			883			1,470
Interest expense		2,253			2,717			3,392			9,339			16,076			8,679
Pre-tax earnings required to pay preferred dividends		3,031			4,648			5,514			208			—			—
Total Fixed Charges and Preferred Dividends	$	5,284		$	7,365		$	8,906		$	9,547		$	16,959		$	10,149
Ratio of earnings to combined fixed charges and preferred dividends		—			—			0.9	x		3.3	x		2.1	x		1.0	x
Earnings inadequate to cover fixed charges	$	(10,087	)	$	(8,878	)		—			—			—			—