Three Months Ended March 31, | Year Ended December 31, | ||||||||||||||||||
2015 | 2014 | 2013 | 2012 | 2011 | 2010 | ||||||||||||||
(in thousands, except ratios) | |||||||||||||||||||
Pretax income (loss) from continuing operations | $ | (86,511 | ) | $ | 1,064,699 | $ | 278,611 | $ | (83,517 | ) | $ | 339,001 | $ | 314,896 | |||||
Add: Fixed charges | 38,043 | 117,147 | 102,758 | 77,841 | 58,030 | 29,558 | |||||||||||||
Add: Amortization of capitalized interest | 3,163 | 11,448 | 11,784 | 9,095 | 5,107 | 2,991 | |||||||||||||
Less: Capitalized interest | (4,928 | ) | (16,165 | ) | (10,952 | ) | (12,135 | ) | (10,785 | ) | (4,337 | ) | |||||||
Earnings before fixed charges | $ | (50,233 | ) | $ | 1,177,129 | $ | 382,201 | $ | (8,716 | ) | $ | 391,353 | $ | 343,108 | |||||
Fixed charges: | |||||||||||||||||||
Interest expense (1) | $ | 32,647 | $ | 98,554 | $ | 89,711 | $ | 63,720 | $ | 45,849 | $ | 24,196 | |||||||
Capitalized interest | 4,928 | 16,165 | 10,952 | 12,135 | 10,785 | 4,337 | |||||||||||||
Interest expense component of rent (2) | 468 | 2,428 | 2,095 | 1,986 | 1,396 | 1,025 | |||||||||||||
Total fixed charges | $ | 38,043 | $ | 117,147 | $ | 102,758 | $ | 77,841 | $ | 58,030 | $ | 29,558 | |||||||
Ratio of earnings to fixed charges | — | 10.0 | 3.7 | — | 6.7 | 11.6 | |||||||||||||
Insufficient coverage | $ | 88,276 | $ | — | $ | — | $ | 86,557 | $ | — | $ | — | |||||||