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v3.3.1.900

SHAREHOLDERS' EQUITY AND PARTNERS' CAPITAL (Details) | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jun. 30, 2013 shares | Mar. 31, 2013 shares | Dec. 31, 2015 USD ($) unitholder $ / shares shares | Dec. 31, 2014 $ / shares shares | Dec. 31, 2013 shares | Sep. 30, 2015 USD ($)
Common Stock [Abstract] |  |  |  |  |  |
Stock repurchase program, authorized amount | $ |  |  |  |  |  | $ 200,000
Shares repurchased in period | shares |  |  |  | 0 |  |
Redemption of units, value | $ |  |  | $ 4,861,000 |  |  |
Number of holders of common units who received cash for their units | unitholder |  |  | 4 |  |  |
Redeemable noncontrolling interest, units exercised for conversion (shares) | shares |  |  | 272,952 |  |  |
Preferred Stock [Abstract] |  |  |  |  |  |
Preferred stock, shares authorized (in shares) | shares |  |  | 15,000,000 |  |  |
Preferred stock, par value (in dollars per share) | $ / shares |  |  | $ 0.01 |  |  |
Public offering, shares issued | shares |  |  | 278,093 | 246,168 | 8,772,114 |
Operating Partnership |  |  |  |  |  |
Common Stock [Abstract] |  |  |  |  |  |
Common units outstanding | shares |  |  | 199,748,131 | 199,532,908 |  |
Operating Partnership | Common Units |  |  |  |  |  |
Common Stock [Abstract] |  |  |  |  |  |
Noncontrolling interest conversion, calculation of trailing average of trading price, term (days) |  |  | 5 days |  |  |
Common Stock |  |  |  |  |  |
Common Stock [Abstract] |  |  |  |  |  |
Common stock, shares authorized (in shares) | shares |  |  | 350,000,000 |  |  |
Common stock, par value (in dollars per share) | $ / shares |  |  | $ 0.01 |  |  |
Common stock, shares outstanding (in shares) | shares |  |  | 170,490,948 | 170,260,273 |  |
Preferred Stock [Abstract] |  |  |  |  |  |
Public offering, shares issued | shares | 6,530,193 | 1,889,105 | 8,419,298 |  | 8,419,298 |
Series E preferred stock |  |  |  |  |  |
Preferred Stock [Abstract] |  |  |  |  |  |
Preferred stock, par value (in dollars per share) | $ / shares |  |  | $ 0.01 | $ 0.01 |  |
Public offering, shares issued | shares |  |  | 6,900,000 | 6,900,000 |  |
Preferred stock represented by one depository share (in shares) | shares |  |  | 0.1 | 0.1 |  |
Dividend rate (in thousandths) |  |  | 6.625% | 6.625% |  |
Preferred stock, liquidation preference per share | $ / shares |  |  | $ 250.00 |  |  |
Depositary shares, liquidation preference (in dollars per share) | $ / shares |  |  | 25.00 |  |  |
Dividends in arrears per depositary share (in dollars per share) | $ / shares |  |  | 1.65625 |  |  |
Dividends in arrears per share (in dollars per share) | $ / shares |  |  | 16.5625 |  |  |
7.375% Series D Cumulative Redeemable Preferred Stock |  |  |  |  |  |
Preferred Stock [Abstract] |  |  |  |  |  |
Preferred stock, par value (in dollars per share) | $ / shares |  |  | $ 0.01 | $ 0.01 |  |
Preferred stock represented by one depository share (in shares) | shares |  |  | 0.1 | 0.1 |  |
Dividend rate (in thousandths) |  |  | 7.375% | 7.375% |  |
Preferred stock, liquidation preference per share | $ / shares |  |  | $ 250 |  |  |
Depositary shares, liquidation preference (in dollars per share) | $ / shares |  |  | 25.00 |  |  |
Dividends in arrears per depositary share (in dollars per share) | $ / shares |  |  | $ 1.84375 |  |  |
Depositary shares outstanding | shares |  |  | 18,150,000 | 18,150,000 |  |
Dividends in arrears per share (in dollars per share) | $ / shares |  |  | $ 18.4375 |  |  |

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- Definition Face amount or stated value per share of common stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 + Details
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- Definition The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21484-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(d)(1)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29 -Article 5 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
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