The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

+ References+ Details

Value of stock (or other type of equity) granted 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. This element is not the recognition of equity-based compensation expense in pursuant to FAS 123R. That element is AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue (Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition, Value).

+ References+ Details

- 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.

+ References+ Details

- Definition

Number of new stock issued during the period.

+ References+ Details

- Definition

Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.

+ References+ Details

CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Shares	Additional Paid-in Capital	Cumulative Net Income	Cumulative Distributions	Unrealized Gain (Loss) on Investments
Balance at Dec. 31, 2009	$ 1,900,650	$ 1,273	$ 2,226,474	$ 640,033	$ (969,111)	$ 1,981
Balance (in shares) at Dec. 31, 2009		127,377,665
Increase (Decrease) in Shareholders' Equity
Comprehensive income	128,040			116,485		11,555
Distributions	(184,757)				(184,757)
Issuance of shares	281,986	144	281,842
Issuance of shares (in shares)		14,375,000
Share grants	2,058	1	2,057
Share grants (in shares)		101,992
Balance at Dec. 31, 2010	2,127,977	1,418	2,510,373	756,518	(1,153,868)	13,536
Balance (in shares) at Dec. 31, 2010		141,854,657
Increase (Decrease) in Shareholders' Equity
Comprehensive income	134,111			151,419		(17,308)
Distributions	(223,529)				(223,529)
Issuance of shares	432,233	207	432,026
Issuance of shares (in shares)		20,700,000
Share grants	1,814	1	1,813
Share grants (in shares)		91,389
Balance at Dec. 31, 2011	2,472,606	1,626	2,944,212	907,937	(1,377,397)	(3,772)
Balance (in shares) at Dec. 31, 2011	162,646,046	162,646,046
Increase (Decrease) in Shareholders' Equity
Comprehensive income	144,218			135,884		8,334
Distributions	(259,537)				(259,537)
Issuance of shares	287,052	138	286,914
Issuance of shares (in shares)		13,800,000
Share grants	2,229	1	2,228
Share grants (in shares)		107,554
Balance at Dec. 31, 2012	$ 2,646,568	$ 1,765	$ 3,233,354	$ 1,043,821	$ (1,636,934)	$ 4,562
Balance (in shares) at Dec. 31, 2012	176,553,600	176,553,600