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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY AND COMPREHENSIVE INCOME (LOSS) (USD $)
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Total
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Common Stock
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Additional Paid-in Capital
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Receivable from Issuance of Common Stock [Member]
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Accumulated Other Comprehensive Income (Loss)
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Cumulative Earnings
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Cumulative Distributions to Stockholders
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|---|---|---|---|---|---|---|---|
| Balance at Dec. 31, 2010 | $ 382,448,000 | $ 405,000 | $ 366,974,000 | $ 0 | $ 22,619,000 | $ 30,020,000 | $ (37,570,000) |
| Balance, shares at Dec. 31, 2010 | 40,501,212 | ||||||
| Net income | 21,393,000 | 0 | 0 | 0 | 0 | 21,393,000 | 0 |
| Other comprehensive income | 23,629,000 | 0 | 0 | 0 | 23,629,000 | 0 | 0 |
| Net proceeds from issuance of common stock, net of offering costs | 523,076,000 | 518,000 | 522,558,000 | 0 | 0 | 0 | 0 |
| Increase in receivable from issuance of common stock | 0 | ||||||
| Net proceeds from issuance of common stock, net of offering costs, shares | 51,769,180 | ||||||
| Common dividends declared | (53,112,000) | 0 | 0 | 0 | 0 | 0 | (53,112,000) |
| Common dividends declared, shares | 0 | ||||||
| Non-cash equity award compensation | 147,000 | 0 | 0 | 0 | 0 | 0 | |
| Non-cash equity award compensation, shares | 7,599 | ||||||
| Balance at Jun. 30, 2011 | 897,581,000 | 923,000 | 889,679,000 | 0 | 46,248,000 | 51,413,000 | (90,682,000) |
| Balance, shares at Jun. 30, 2011 | 92,277,991 | ||||||
| Balance at Dec. 31, 2011 | 1,270,086,000 | 1,406,000 | 1,373,099,000 | 0 | (58,716,000) | 157,452,000 | (203,155,000) |
| Balance, shares at Dec. 31, 2011 | 140,596,708 | 140,596,708 | |||||
| Net income | 75,804,000 | 0 | 0 | 0 | 0 | 75,804,000 | 0 |
| Other comprehensive income | 261,514,000 | 0 | 0 | 0 | 0 | 0 | |
| Net proceeds from issuance of common stock, net of offering costs | 769,812,000 | 790,000 | 769,022,000 | 0 | 0 | 0 | 0 |
| Increase in receivable from issuance of common stock | (22,248,000) | 0 | 0 | (22,248,000) | 0 | 0 | 0 |
| Net proceeds from issuance of common stock, net of offering costs, shares | 79,058,754 | ||||||
| Common dividends declared | (172,744,000) | 0 | 0 | 0 | 0 | 0 | (172,744,000) |
| Common dividends declared, shares | 0 | ||||||
| Non-cash equity award compensation | 433,346 | 0 | 0 | 0 | 0 | 0 | |
| Non-cash equity award compensation, shares | 0 | ||||||
| Balance at Jun. 30, 2012 | $ 2,182,657,000 | $ 2,196,000 | $ 2,142,554,000 | $ (22,248,000) | $ 202,798,000 | $ 233,256,000 | $ (375,899,000) |
| Balance, shares at Jun. 30, 2012 | 214,207,346 | 219,655,462 |
| X | ||||||||||
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- Definition
The additional capital contribution to the entity not yet received as of period end due to the timing of the transaction date versus the settlement date. No definition available.
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| X | ||||||||||
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- Definition
Number of shares of common stock issued as dividends during the period. Excludes stock splits. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Equity impact of aggregate cash, stock, and paid-in-kind dividends declared for common shareholders during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Net Income or Loss Available to Common Stockholders plus adjustments resulting from the assumption that dilutive convertible securities were converted, options or warrants were exercised, or that other shares were issued upon the satisfaction of certain conditions. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Net of tax amount of other comprehensive income (loss) attributable to both parent entity and noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The cash inflow from the additional capital contribution to the entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of new stock issued during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of any shares forfeited. Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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