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Condensed Consolidated Statements of Equity/Capital - USD ($) $ in Thousands | Total | Preferred Stock | Common Stock | Additional Paid-in Capital | Accumulated Other Comprehensive Income (Loss) | Dividends in Excess of Cumulative Earnings | Total Shareholders' Equity/Partners' Capital | Noncontrolling Interests | Redeemable Noncontrolling Interests | CBL & Associates Limited Partnership | CBL & Associates Limited Partnership Preferred Units | CBL & Associates Limited Partnership Common Units | CBL & Associates Limited Partnership General Partner | CBL & Associates Limited Partnership Limited Partners | CBL & Associates Limited Partnership Accumulated Other Comprehensive Income (Loss) | CBL & Associates Limited Partnership Total Shareholders' Equity/Partners' Capital | CBL & Associates Limited Partnership Noncontrolling Interests | CBL & Associates Limited Partnership Redeemable Noncontrolling Interests | CBL & Associates Limited Partnership Redeemable Noncontrolling Interests | CBL & Associates Limited Partnership Redeemable Common Units
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Beginning Balance, redeemable noncontrolling partnership interests at Dec. 31, 2015 |  |  |  |  |  |  |  |  | $ 25,330 |  |  |  |  |  |  |  |  | $ 25,330 | $ 5,586 | $ 19,744
Redeemable Noncontrolling Interests |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  |  |  |  |  |  |  |  | (2,119) |  |  |  |  |  |  |  |  | (2,119) | (2,763) | 644
Other comprehensive income | $ 431 |  |  |  | $ 371 |  | $ 371 | $ 60 | 3 | $ 431 |  |  |  |  | $ 431 | $ 431 |  | 3 |  | 3
Distributions declared - common units | (135,780) |  |  |  |  | $ (135,780) | (135,780) |  |  | (160,022) |  |  | $ (1,600) | $ (158,422) |  | (160,022) |  | (3,429) |  | (3,429)
Adjustment for noncontrolling interests | (1,686) |  |  | $ (11,647) | (2,306) |  | (13,953) | 12,267 | 1,686 |  |  |  |  |  |  |  |  |  |  |
Allocation of partners' capital |  |  |  |  |  |  |  |  |  | (1,794) |  |  | (148) | (2,083) | 437 | (1,794) |  | 1,686 |  | 1,686
Adjustment to record redeemable interests at redemption value | (3,617) |  |  | (3,514) |  |  | (3,514) | (103) | 3,617 | (3,617) |  |  | (37) | (3,580) |  | (3,617) |  | 3,617 | 2,729 | 888
Distributions to noncontrolling interests | (29,712) |  |  |  |  |  |  | (29,712) | (5,775) | (5,470) |  |  |  |  |  |  | $ (5,470) | (2,346) | (2,346) |
Ending Balance, redeemable noncontrolling partnership interests at Sep. 30, 2016 |  |  |  |  |  |  |  |  | 22,742 |  |  |  |  |  |  |  |  | 22,742 | 3,206 | 19,536
Beginning Balance at Dec. 31, 2015 | 1,399,599 | $ 25 | $ 1,705 | 1,970,333 | 1,935 | (689,028) | 1,284,970 | 114,629 |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance, units (in shares) at Dec. 31, 2015 |  |  |  |  |  |  |  |  |  |  | 25,050,000 | 199,748,000 |  |  |  |  |  |  |  |
Beginning balance at Dec. 31, 2015 |  |  |  |  |  |  |  |  |  | 1,400,038 | $ 565,212 |  | 8,435 | 822,383 | (868) | 1,395,162 | 4,876 |  |  |
Redeemable Noncontrolling Interests |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) | 117,778 |  |  |  |  | 104,052 | 104,052 | 13,726 |  | 117,778 | 33,669 |  | 839 | 80,956 |  | 115,464 | 2,314 |  |  |
Other comprehensive income | 431 |  |  |  | 371 |  | 371 | 60 | 3 | 431 |  |  |  |  | 431 | 431 |  | 3 |  | 3
Purchase of noncontrolling interest in Operating Partnership | (11,754) |  |  |  |  |  |  | (11,754) |  |  |  |  |  |  |  |  |  |  |  |
Dividends/Distributions declared - common stock/units | (135,780) |  |  |  |  | (135,780) | (135,780) |  |  | (160,022) |  |  | (1,600) | (158,422) |  | (160,022) |  | (3,429) |  | (3,429)
Dividends/Distributions declared - preferred stock/units | $ (33,669) |  |  |  |  | (33,669) | (33,669) |  |  | (33,669) | $ (33,669) |  |  |  |  | (33,669) |  |  |  |
Issuances of common units (in shares) | 331,324 |  |  |  |  |  |  |  |  |  |  | 331,000 |  |  |  |  |  |  |  |
Issuances of common units |  |  |  |  |  |  |  |  |  | 432 |  |  |  | 432 |  | 432 |  |  |  |
Issuance of common stock and restricted common stock | $ 432 |  | 3 | 429 |  |  | 432 |  |  |  |  |  |  |  |  |  |  |  |  |
Redemption of common units (in shares) |  |  |  |  |  |  |  |  |  |  |  | (965,000) |  |  |  |  |  |  |  |
Redemption of common units |  |  |  |  |  |  |  |  |  | (11,754) |  |  |  | (11,754) |  | (11,754) |  |  |  |
Cancellation of restricted common stock/units, units (in shares) | (31,293) |  |  |  |  |  |  |  |  |  |  | (31,000) |  |  |  |  |  |  |  |
Cancellation of restricted common stock/units | $ (226) |  |  | (226) |  |  | (226) |  |  | (226) |  |  |  | (226) |  | (226) |  |  |  |
Performance stock units | 775 |  |  | 775 |  |  | 775 |  |  | 775 |  |  | 8 | 767 |  | 775 |  |  |  |
Amortization of deferred compensation | 2,857 |  |  | 2,857 |  |  | 2,857 |  |  | 2,857 |  |  | 29 | 2,828 |  | 2,857 |  |  |  |
Adjustment for noncontrolling interests | (1,686) |  |  | (11,647) | (2,306) |  | (13,953) | 12,267 | 1,686 |  |  |  |  |  |  |  |  |  |  |
Allocation of partners' capital |  |  |  |  |  |  |  |  |  | (1,794) |  |  | (148) | (2,083) | 437 | (1,794) |  | 1,686 |  | 1,686
Adjustment to record redeemable noncontrolling interests at redemption value | (3,617) |  |  | (3,514) |  |  | (3,514) | (103) | 3,617 | (3,617) |  |  | (37) | (3,580) |  | (3,617) |  | 3,617 | 2,729 | 888
Contributions from noncontrolling interests | 11,240 |  |  |  |  |  |  | 11,240 |  | 11,240 |  |  |  |  |  |  | 11,240 |  |  |
Distributions to noncontrolling interests | (29,712) |  |  |  |  |  |  | (29,712) | (5,775) | (5,470) |  |  |  |  |  |  | (5,470) | $ (2,346) | $ (2,346) |
Ending Balance at Sep. 30, 2016 | 1,316,668 | 25 | 1,708 | 1,959,007 | $ 0 | (754,425) | 1,206,315 | 110,353 |  |  |  |  |  |  |  |  |  |  |  |
Ending balance, units (in shares) at Sep. 30, 2016 |  |  |  |  |  |  |  |  |  |  | 25,050,000 | 199,083,000 |  |  |  |  |  |  |  |
Ending balance at Sep. 30, 2016 |  |  |  |  |  |  |  |  |  | 1,316,999 | $ 565,212 |  | 7,526 | 731,301 | $ 0 | 1,304,039 | 12,960 |  |  |
Beginning Balance, redeemable noncontrolling partnership interests at Dec. 31, 2016 | 17,996 |  |  |  |  |  |  |  | 17,996 | 17,996 |  |  |  |  |  |  |  |  |  | 17,996
Redeemable Noncontrolling Interests |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  |  |  |  |  |  |  |  | 481 |  |  |  |  |  |  |  |  |  |  | 481
Distributions declared - common units | (136,021) |  |  |  |  | (136,021) | (136,021) |  |  | (159,724) |  |  | (1,600) | (158,124) |  | (159,724) |  |  |  | (3,429)
Adjustment for noncontrolling interests | (2,222) |  |  | (5,635) |  |  | (5,635) | 3,413 | 2,224 |  |  |  |  |  |  |  |  |  |  |
Allocation of partners' capital |  |  |  |  |  |  |  |  |  | (2,259) |  |  | (68) | (2,191) |  | (2,259) |  |  |  | 2,224
Adjustment to record redeemable interests at redemption value | 4,195 |  |  | 3,629 |  |  | 3,629 | 566 | (4,196) | 4,195 |  |  | 43 | 4,152 |  | 4,195 |  |  |  | (4,196)
Distributions to noncontrolling interests | (48,477) |  |  |  |  |  |  | (48,477) | (3,429) | (24,774) |  |  |  |  |  |  | (24,774) |  |  |
Ending Balance, redeemable noncontrolling partnership interests at Sep. 30, 2017 | 13,076 |  |  |  |  |  |  |  | 13,076 | 13,076 |  |  |  |  |  |  |  |  |  | 13,076
Beginning Balance at Dec. 31, 2016 | 1,340,852 | 25 | 1,708 | 1,969,059 |  | (742,078) | 1,228,714 | 112,138 |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance, units (in shares) at Dec. 31, 2016 |  |  |  |  |  |  |  |  |  |  | 25,050,000 | 199,085,000 |  |  |  |  |  |  |  |
Beginning balance at Dec. 31, 2016 |  |  |  |  |  |  |  |  |  | 1,341,179 | $ 565,212 |  | 7,781 | 756,083 |  | 1,329,076 | 12,103 |  |  |
Redeemable Noncontrolling Interests |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) | 117,963 |  |  |  |  | 84,476 | 84,476 | 33,487 |  | 117,963 | 33,669 |  | 607 | 58,421 |  | 92,697 | 25,266 |  |  |
Dividends/Distributions declared - common stock/units | (136,021) |  |  |  |  | (136,021) | (136,021) |  |  | (159,724) |  |  | (1,600) | (158,124) |  | (159,724) |  |  |  | (3,429)
Dividends/Distributions declared - preferred stock/units | $ (33,669) |  |  |  |  | (33,669) | (33,669) |  |  | (33,669) | $ (33,669) |  |  |  |  | (33,669) |  |  |  |
Issuances of common units (in shares) | 342,008 |  |  |  |  |  |  |  |  |  |  | 342,000 |  |  |  |  |  |  |  |
Issuances of common units |  |  |  |  |  |  |  |  |  | 474 |  |  |  | 474 |  | 474 |  |  |  |
Issuance of common stock and restricted common stock | $ 474 |  | 3 | 471 |  |  | 474 |  |  |  |  |  |  |  |  |  |  |  |  |
Redemption of Operating Partnership common units | $ (593) |  |  |  |  |  |  | (593) |  |  |  |  |  |  |  |  |  |  |  |
Redemption of common units (in shares) |  |  |  |  |  |  |  |  |  |  |  | (73,000) |  |  |  |  |  |  |  |
Redemption of common units |  |  |  |  |  |  |  |  |  | (593) |  |  |  | (593) |  | (593) |  |  |  |
Cancellation of restricted common stock/units, units (in shares) | (37,758) |  |  |  |  |  |  |  |  |  |  | (38,000) |  |  |  |  |  |  |  |
Cancellation of restricted common stock/units | $ (327) |  |  | (327) |  |  | (327) |  |  | (327) |  |  |  | (327) |  | (327) |  |  |  |
Performance stock units | 1,115 |  |  | 1,115 |  |  | 1,115 |  |  | 1,115 |  |  | 11 | 1,104 |  | 1,115 |  |  |  |
Amortization of deferred compensation | 3,135 |  |  | 3,135 |  |  | 3,135 |  |  | 3,135 |  |  | 32 | 3,103 |  | 3,135 |  |  |  |
Adjustment for noncontrolling interests | (2,222) |  |  | (5,635) |  |  | (5,635) | 3,413 | 2,224 |  |  |  |  |  |  |  |  |  |  |
Allocation of partners' capital |  |  |  |  |  |  |  |  |  | (2,259) |  |  | (68) | (2,191) |  | (2,259) |  |  |  | 2,224
Adjustment to record redeemable noncontrolling interests at redemption value | 4,195 |  |  | 3,629 |  |  | 3,629 | 566 | (4,196) | 4,195 |  |  | 43 | 4,152 |  | 4,195 |  |  |  | $ (4,196)
Deconsolidation of investment | (2,232) |  |  |  |  |  |  | (2,232) |  | (2,232) |  |  |  |  |  |  | (2,232) |  |  |
Contributions from noncontrolling interests | 263 |  |  |  |  |  |  | 263 |  | 263 |  |  |  |  |  |  | 263 |  |  |
Distributions to noncontrolling interests | (48,477) |  |  |  |  |  |  | (48,477) | $ (3,429) | (24,774) |  |  |  |  |  |  | (24,774) |  |  |
Ending Balance at Sep. 30, 2017 | $ 1,244,456 | $ 25 | $ 1,711 | $ 1,971,447 |  | $ (827,292) | $ 1,145,891 | $ 98,565 |  |  |  |  |  |  |  |  |  |  |  |
Ending balance, units (in shares) at Sep. 30, 2017 |  |  |  |  |  |  |  |  |  |  | 25,050,000 | 199,316,000 |  |  |  |  |  |  |  |
Ending balance at Sep. 30, 2017 |  |  |  |  |  |  |  |  |  | $ 1,244,746 | $ 565,212 |  | $ 6,806 | $ 662,102 |  | $ 1,234,120 | $ 10,626 |  |  |

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