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SHAREHOLDERS' EQUITY AND PARTNERS' CAPITAL - Preferred Stock and Preferred Units (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 12 Months Ended
--- | --- | ---
Nov. 02, 2020 | Dec. 31, 2020 | Dec. 31, 2019
Shareholders Equity [Line Items] |  |  |
Preferred stock authorized (shares) |  | 15,000,000 | 15,000,000
Preferred stock, par value (USD per share) |  | $ 0.01 | $ 0.01
Description of preferred stock dividend |  | In December 2019, the Company announced the suspension of all future dividends on its 7.375% Series D Cumulative Redeemable Preferred Stock and 6.625% Series E Cumulative Redeemable Preferred Stock. |
Unpaid dividends of preferred stock accrued without interest |  | $ 37,410 | $ 11,223
Series E Preferred Stock |  |  |
Shareholders Equity [Line Items] |  |  |
Preferred stock, par value (USD per share) |  | $ 0.01 | $ 0.01
Depositary shares outstanding (shares) |  | 6,900,000 | 6,900,000
Preferred stock dividend rate (as a percent) | 6.625% | 6.625% | 6.625%
Preferred stock, liquidation preference per share (USD per share) |  | $ 250.00 |
Depositary shares, liquidation preference (USD per share) |  | 25.00 |
Dividends in arrears per share (USD per share) |  | 16.5625 |
Dividends in arrears per depositary share (USD per share) |  | 1.65625 |
Redemption price per share (USD per share) |  | 250.00 |
Cary Towne Center |  |  |
Shareholders Equity [Line Items] |  |  |
Preferred stock, par value (USD per share) |  | $ 0.01 | $ 0.01
Depositary shares outstanding (shares) |  | 18,150,000 | 18,150,000
Preferred stock dividend rate (as a percent) |  | 7.375% | 7.375%
Preferred stock, liquidation preference per share (USD per share) |  | $ 250.00 |
Depositary shares, liquidation preference (USD per share) |  | 25.00 |
Dividends in arrears per share (USD per share) |  | 18.4375 |
Dividends in arrears per depositary share (USD per share) |  | 1.84375 |
Redemption price per share (USD per share) |  | $ 250.00 |

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- Definition Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 405 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6957935&loc=d3e64057-112817 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 + 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/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(d)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21484-112644 + Details
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- Definition The price per share at which the preferred stock of an entity that has priority over common stock in the distribution of dividends and in the event of liquidation of the entity is redeemed or may be called at. The redemption features of this preferred stock are solely within the control of the issuer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21488-112644 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21564-112644 + Details
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