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Consolidated Statements of Equity - USD ($) $ in Thousands | Total | Cumulative Effect, Period of Adoption, Adjustment | Cumulative Effect, Period of Adoption, Adjusted Balance | Common Stock | Common Stock Cumulative Effect, Period of Adoption, Adjusted Balance | Additional Paid-in Capital | Additional Paid-in Capital Cumulative Effect, Period of Adoption, Adjusted Balance | Distributions in Excess of Accumulated Net Income | Distributions in Excess of Accumulated Net Income Cumulative Effect, Period of Adoption, Adjustment | Distributions in Excess of Accumulated Net Income Cumulative Effect, Period of Adoption, Adjusted Balance | Accumulated Comprehensive (Loss) Income | Accumulated Comprehensive (Loss) Income Cumulative Effect, Period of Adoption, Adjustment | Accumulated Comprehensive (Loss) Income Cumulative Effect, Period of Adoption, Adjusted Balance
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance beginning of period (in shares) at Dec. 31, 2017 |  |  |  |  | 774,293,197 | 774,293,197 |  |  |  |  |  |  |  |
Balance beginning of period at Dec. 31, 2017 |  | $ 1,905,722 |  | $ 1,918,478 | $ 773 | $ 773 | $ 5,681,912 | $ 5,681,912 | $ (3,778,908) |  | $ (3,765,877) | $ 1,945 |  | $ 1,670
Balance beginning of period (ASU 2016-01) at Dec. 31, 2017 |  |  | $ 0 |  |  |  |  |  |  | $ 275 |  |  | $ (275) |
Balance beginning of period (ASU 2017-05) at Dec. 31, 2017 | [1] |  | $ 12,756 |  |  |  |  |  |  | $ 12,756 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net (loss) income |  | 83,849 |  |  |  |  |  |  | 83,849 |  |  |  |  |
Unrealized (loss) gain on derivatives |  | 923 |  |  |  |  |  |  |  |  |  | 923 |  |
Reclassification to interest expense, net |  | (956) |  |  |  |  |  |  |  |  |  | (956) |  |
Distributions declared |  | (53,782) |  |  |  |  |  |  | (53,782) |  |  |  |  |
Stock-based compensation, net (in shares) |  |  |  |  | 825,081 |  |  |  |  |  |  |  |  |
Stock-based compensation, net |  | 2,293 |  |  | $ 1 |  | 2,292 |  |  |  |  |  |  |
Repurchase of common stock under share repurchase plan (in shares) |  |  |  |  | (46,559,289) |  |  |  |  |  |  |  |  |
Repurchase of common stock under share repurchase plan |  | (98,491) |  |  | $ (45) |  | (98,446) |  |  |  |  |  |  |
Balance end of period (in shares) at Dec. 31, 2018 |  |  |  |  | 728,558,989 |  |  |  |  |  |  |  |  |
Balance end of period at Dec. 31, 2018 |  | 1,852,314 |  |  | $ 729 |  | 5,585,758 |  | (3,735,810) |  |  | 1,637 |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net (loss) income |  | 38,399 |  |  |  |  |  |  | 38,399 |  |  |  |  |
Unrealized (loss) gain on derivatives |  | 816 |  |  |  |  |  |  |  |  |  | 816 |  |
Reclassification to interest expense, net |  | (1,396) |  |  |  |  |  |  |  |  |  | (1,396) |  |
Distributions declared |  | (53,473) |  |  |  |  |  |  | (53,473) |  |  |  |  |
Stock-based compensation, net (in shares) |  |  |  |  | 766,500 |  |  |  |  |  |  |  |  |
Stock-based compensation, net |  | 3,325 |  |  | $ 1 |  | 3,324 |  |  |  |  |  |  |
Repurchase of common stock under share repurchase plan (in shares) |  |  |  |  | (8,517,605) |  |  |  |  |  |  |  |  |
Repurchase of common stock under share repurchase plan |  | (20,384) |  |  | $ (9) |  | (20,375) |  |  |  |  |  |  |
Balance end of period (in shares) at Dec. 31, 2019 |  |  |  |  | 720,807,884 |  |  |  |  |  |  |  |  |
Balance end of period at Dec. 31, 2019 |  | 1,819,601 |  |  | $ 721 |  | 5,568,707 |  | (3,750,884) |  |  | 1,057 |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net (loss) income |  | (10,174) |  |  |  |  |  |  | (10,174) |  |  |  |  |
Unrealized (loss) gain on derivatives |  | (16,199) |  |  |  |  |  |  |  |  |  | (16,199) |  |
Reclassification to interest expense, net |  | 2,634 |  |  |  |  |  |  |  |  |  | 2,634 |  |
Distributions declared |  | (54,604) |  |  |  |  |  |  | (54,604) |  |  |  |  |
Reclassification to equity in losses of unconsolidated entities |  | 59 |  |  |  |  |  |  |  |  |  | 59 |  |
Stock-based compensation, net (in shares) |  |  |  |  | 711,981 |  |  |  |  |  |  |  |  |
Stock-based compensation, net |  | 2,840 |  |  |  |  | 2,840 |  |  |  |  |  |  |
Repurchase of common stock under share repurchase plan (in shares) |  |  |  |  | (2,136,119) |  |  |  |  |  |  |  |  |
Repurchase of common stock under share repurchase plan |  | (5,201) |  |  | $ (2) |  | (5,199) |  |  |  |  |  |  |
Common stock issuance costs in excess of proceeds from distribution reinvestment plan (in shares) |  |  |  |  | 79,040 |  |  |  |  |  |  |  |  |
Common stock issuance costs in excess of proceeds from distribution reinvestment plan |  | (93) |  |  |  |  | (93) |  |  |  |  |  |  |
Balance end of period (in shares) at Dec. 31, 2020 |  |  |  |  | 719,462,786 |  |  |  |  |  |  |  |  |
Balance end of period at Dec. 31, 2020 |  | $ 1,738,863 |  |  | $ 719 |  | $ 5,566,255 |  | $ (3,815,662) |  |  | $ (12,449) |  |
[1] | See Note 6. Investments in Unconsolidated Entities.

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