Three Months Ended March 31, 2013 | Year Ended December 31, 2012 | Year Ended December 31, 2011 | Year Ended December 31, 2010 | Year Ended December 31, 2009 | Year Ended December 31, 2008 | |||||||||||||||||||||||||
Net income (loss) from continuing operations, less preferred dividends | $ | 26,318 | $ | (131,651 | ) | $ | (61,125 | ) | $ | (26,230 | ) | $ | (305,063 | ) | $ | 17,583 | ||||||||||||||
Preferred dividends | 9,550 | 46,438 | 60,353 | 69,468 | 73,451 | 71,426 | ||||||||||||||||||||||||
Interest expense | 60,075 | 240,528 | 216,202 | 181,744 | 144,655 | 133,703 | ||||||||||||||||||||||||
Earnings (loss) before fixed charges | $ | 95,943 | $ | 155,315 | $ | 215,430 | $ | 224,982 | $ | (86,957 | ) | $ | 222,712 | |||||||||||||||||
Interest expense | $ | 60,075 | $ | 240,528 | $ | 216,202 | $ | 181,744 | $ | 144,655 | $ | 133,703 | ||||||||||||||||||
Interest costs capitalized | 4,660 | 9,357 | 4,335 | 11,498 | 26,864 | 53,456 | ||||||||||||||||||||||||
Total fixed charges | 64,735 | 249,885 | 220,537 | 193,242 | 171,519 | 187,159 | ||||||||||||||||||||||||
Preferred dividends | 9,550 | 46,438 | 60,353 | 69,468 | 73,451 | 71,426 | ||||||||||||||||||||||||
Total fixed charges and preferred dividends | $ | 74,285 | $ | 296,323 | $ | 280,890 | $ | 262,710 | $ | 244,970 | $ | 258,585 | ||||||||||||||||||
Ratio of earnings to fixed charges | 1.48 | N/A | (1) | N/A | (3) | 1.16 | N/A | (6) | 1.19 | |||||||||||||||||||||
Ratio of earnings to fixed charges and preferred dividends | 1.29 | N/A | (2) | N/A | (4) | N/A | (5) | N/A | (7) | N/A | (8) |
(1) | N/A - The ratio is less than 1.0; deficit of $94.6 million exists for the year ended December 31, 2012. The calculation of earnings includes $364.9 million of non-cash depreciation and amortization expense. |
(2) | N/A - The ratio is less than 1.0; deficit of $141.0 million exists for the year ended December 31, 2012. The calculation of earnings includes $364.9 million of non-cash depreciation and amortization expense. |
(3) | N/A - The ratio is less than 1.0; deficit of $5.1 million exists for the year ended December 31, 2011. The calculation of earnings includes $315.5 million of non-cash depreciation and amortization expense. |
(4) | N/A - The ratio is less than 1.0; deficit of $65.5 million exists for the year ended December 31, 2011. The calculation of earnings includes $315.5 million of non-cash depreciation and amortization expense. |
(5) | N/A - The ratio is less than 1.0; deficit of $37.7 million exists for the year ended December 31, 2010. The calculation of earnings includes $266.0 million of non-cash depreciation and amortization expense. |
(6) | N/A - The ratio is less than 1.0; deficit of $258.5 million exists for the year ended December 31, 2009. The calculation of earnings includes $235.1 million of non-cash depreciation and amortization expense. |
(7) | N/A - The ratio is less than 1.0; deficit of $331.9 million exists for the year ended December 31, 2009. The calculation of earnings includes $235.1 million of non-cash depreciation and amortization expense. |
(8) | N/A - The ratio is less than 1.0; deficit of $35.9 million exists for the year ended December 31, 2008. The calculation of earnings includes $209.6 million of non-cash depreciation and amortization expense. |