Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

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No definition available.

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Amount of paid and unpaid common stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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No definition available.

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Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders.

+ References

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Net number of share options (or share units) granted during the period.

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Value, after forfeitures, of stock or other type of equity granted of any equity-based compensation plan other than an employee stock ownership plan (ESOP).

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Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.

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Amount of stockholders' equity including the portion attributable to noncontrolling interests, after the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

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CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Shares	Additional Paid-in Capital	Cumulative Net Income	Cumulative Other Comprehensive Income (Loss)	Cumulative Distributions	Total Equity Attributable to Common Shareholders	Total Equity Attributable to Noncontrolling Interest
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative adjustment upon adoption of ASU No. 2016-01	$ 0			$ 87,429	$ (87,429)
Adjusted balance	3,277,188	$ 2,376	$ 4,609,316	1,853,924	(198)	$ (3,360,468)	$ 3,104,950	$ 172,238
Beginning balance (in shares) at Dec. 31, 2017		237,630,409
Beginning balance at Dec. 31, 2017	3,277,188	$ 2,376	4,609,316	1,766,495	87,231	(3,360,468)	3,104,950	172,238
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)	237,312			236,022	(93)		235,929	1,383
Distributions	(92,674)					(92,674)	(92,674)
Share grants (in shares)		3,000
Share grants	47		47				47
Share repurchases (in shares)		(4,628)
Share repurchases	(89)		(89)				(89)
Distributions to noncontrolling interest	(5,667)							(5,667)
Ending balance (in shares) at Mar. 31, 2018		237,628,781
Ending balance at Mar. 31, 2018	$ 3,416,117	$ 2,376	4,609,274	2,089,946	(291)	(3,453,142)	3,248,163	167,954
Beginning balance (in shares) at Dec. 31, 2018	237,729,900	237,729,900
Beginning balance at Dec. 31, 2018	$ 3,179,870	$ 2,377	4,611,419	2,140,796	(266)	(3,731,214)	3,023,112	156,758
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)	31,570			30,082	66		30,148	1,422
Distributions	(92,714)					(92,714)	(92,714)
Share grants	215		215				215
Distributions to noncontrolling interest	$ (5,503)							(5,503)
Ending balance (in shares) at Mar. 31, 2019	237,729,900	237,729,900
Ending balance at Mar. 31, 2019	$ 3,113,438	$ 2,377	$ 4,611,634	$ 2,170,878	$ (200)	$ (3,823,928)	$ 2,960,761	$ 152,677