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Consolidated Statements of Equity/Capital - USD ($) shares in Thousands, $ in Thousands | Total | CBL & Associates Properties, Inc. | CBL & Associates Properties, Inc. Preferred Stock | CBL & Associates Properties, Inc. Common Stock | CBL & Associates Properties, Inc. Additional Paid-in Capital | CBL & Associates Properties, Inc. Accumulated Other Comprehensive Income | CBL & Associates Properties, Inc. Dividends in Excess of Cumulative Earnings | CBL & Associates Properties, Inc. Total Shareholders' Equity | CBL & Associates Properties, Inc. Noncontrolling Interests | CBL & Associates Properties, Inc. Redeemable Noncontrolling Interests | CBL & Associates Limited Partnership | CBL & Associates Limited Partnership Redeemable Partnership Interests | CBL & Associates Limited Partnership Redeemable Common Units | CBL & Associates Limited Partnership Total Redeemable Interests | 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 | CBL & Associates Limited Partnership Total Partner's Capital | CBL & Associates Limited Partnership Noncontrolling Interests
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Redeemable common units, beginning balance at Dec. 31, 2014 |  |  |  |  |  |  |  |  |  | $ 37,559 |  |  |  |  |  |  |  |  |  |  |
Redeemable Noncontrolling Interests |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  |  |  |  |  |  |  |  |  | 3,902 |  |  |  |  |  |  |  |  |  |  |
Other comprehensive income (loss) |  | $ (14,051) |  |  |  | $ (11,476) |  | $ (11,476) | $ (2,575) | (352) | $ (14,051) |  | $ (352) | $ (352) |  |  |  |  | $ (14,051) | $ (14,051) | $ 0
Adjustment for noncontrolling interests |  | (2,980) |  |  | $ (2,773) |  |  | (2,773) | (207) | 2,981 |  |  |  |  |  |  |  |  |  |  |
Adjustment to record redeemable noncontrolling interests at redemption value |  | 11,617 |  |  | 10,225 |  |  | 10,225 | 1,392 | (11,617) | 11,617 | $ (1,658) | (9,959) | (11,617) |  |  | $ 119 | $ 11,498 |  | 11,617 | 0
Distributions to noncontrolling interests |  | (40,534) |  |  |  |  |  | 0 | (40,534) | (7,143) | (7,866) | (2,571) |  | (2,571) |  |  |  |  |  | 0 | (7,866)
Redeemable common units, ending balance at Dec. 31, 2015 |  |  |  |  |  |  |  |  |  | 25,330 |  |  |  |  |  |  |  |  |  |  |
Beginning balance, shareholders' equity at Dec. 31, 2014 |  | 1,549,928 | $ 25 | $ 1,703 | 1,958,198 | 13,411 | $ (566,785) | 1,406,552 | 143,376 |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance, partners' capital at Dec. 31, 2014 |  |  |  |  |  |  |  |  |  |  | 1,550,441 | 6,455 | 31,104 | 37,559 | $ 565,212 |  | 9,789 | 953,349 | 13,183 | 1,541,533 | 8,908
Beginning balance, partners' capital units (in shares) at Dec. 31, 2014 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 25,050 | 199,532 |  |  |  |  |
Redeemable Noncontrolling Interests |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  | 115,113 |  |  |  |  | 103,371 | 103,371 | 11,742 |  | 115,113 | 3,360 | 542 | 3,902 | $ 44,892 |  | 699 | 67,409 |  | 113,000 | 2,113
Other comprehensive income (loss) |  | (14,051) |  |  |  | (11,476) |  | (11,476) | (2,575) | (352) | (14,051) |  | (352) | (352) |  |  |  |  | (14,051) | (14,051) | 0
Redemption of common units (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (15) |  |  |  |  |
Redemptions of common units |  |  |  |  |  |  |  |  |  |  | (286) |  |  |  |  |  |  | (286) |  | (286) | 0
Issuance of common units (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 278 |  |  |  |  |
Issuance of common units |  |  |  |  |  |  |  |  |  |  | 679 |  |  |  |  |  |  | 679 |  | 679 | 0
Purchase of noncontrolling interests in Operating Partnership/Acquire controlling interest in shopping center property |  | (286) |  |  |  |  |  | 0 | (286) |  |  |  |  |  |  |  |  |  |  |  |
Dividends/distributions declared - common stock/units |  | (180,722) |  |  |  |  | (180,722) | (180,722) | 0 |  | (213,391) |  | (4,572) | (4,572) |  |  | (2,133) | (211,258) |  | (213,391) | 0
Dividends declared/distributions - preferred stock/units |  | (44,892) |  |  |  |  | (44,892) | (44,892) | 0 |  | (44,892) |  |  |  | (44,892) |  |  |  |  | (44,892) | 0
Issuance of shares of common stock and restricted common stock |  | 679 |  | 3 | 676 |  |  | 679 | 0 |  |  |  |  |  |  |  |  |  |  |  |
Cancellation of restricted common stock (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (47) |  |  |  |  |
Cancellation of restricted common stock, value |  | (770) |  | (1) | (769) |  |  | (770) | 0 |  | (770) |  |  |  |  |  |  | (770) |  | (770) | 0
Performance stock units |  | 624 |  |  | 624 |  |  | 624 | 0 |  | 624 |  |  |  |  |  | 6 | 618 |  | 624 | 0
Amortization of deferred compensation |  | 4,152 |  |  | 4,152 |  |  | 4,152 | 0 |  | 4,152 |  |  |  |  |  | 43 | 4,109 |  | 4,152 | 0
Allocation of partners' capital |  |  |  |  |  |  |  |  |  |  | (3,053) |  | 2,981 | 2,981 |  |  | (88) | (2,965) |  | (3,053) | 0
Adjustment for noncontrolling interests |  | (2,980) |  |  | (2,773) |  |  | (2,773) | (207) | 2,981 |  |  |  |  |  |  |  |  |  |  |
Adjustment to record redeemable noncontrolling interests at redemption value |  | 11,617 |  |  | 10,225 |  |  | 10,225 | 1,392 | (11,617) | 11,617 | (1,658) | (9,959) | (11,617) |  |  | 119 | 11,498 |  | 11,617 | 0
Distributions to noncontrolling interests |  | (40,534) |  |  |  |  |  | 0 | (40,534) | (7,143) | (7,866) | (2,571) |  | (2,571) |  |  |  |  |  | 0 | (7,866)
Contributions from noncontrolling interests |  | 1,721 |  |  |  |  |  | 0 | 1,721 |  | 1,721 |  |  |  |  |  |  |  |  | 0 | 1,721
Ending balance, shareholders' equity at Dec. 31, 2015 |  | 1,399,599 | 25 | 1,705 | 1,970,333 | 1,935 | (689,028) | 1,284,970 | 114,629 |  |  |  |  |  |  |  |  |  |  |  |
Ending balance, partners' capital at Dec. 31, 2015 |  |  |  |  |  |  |  |  |  |  | 1,400,038 | 5,586 | 19,744 | 25,330 | $ 565,212 |  | 8,435 | 822,383 | (868) | 1,395,162 | 4,876
Ending balance, partners' capital units (in shares) at Dec. 31, 2015 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 25,050 | 199,748 |  |  |  |  |
Redeemable Noncontrolling Interests |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  |  |  |  |  |  |  |  |  | (1,603) |  |  |  |  |  |  |  |  |  |  |
Other comprehensive income (loss) |  | 431 |  |  |  | 371 |  | 371 | 60 | 3 | 431 |  | 3 | 3 |  |  |  |  | 431 | 431 | 0
Redemption of redeemable noncontrolling interest |  | 9,636 |  |  | 9,636 |  |  | 9,636 | 0 | (3,206) | 9,636 | (3,206) |  | (3,206) |  |  | 99 | 9,537 |  | 9,636 | 0
Adjustment for noncontrolling interests |  | (2,454) |  |  | (13,773) | (2,306) |  | (16,079) | 13,625 | 2,454 |  |  |  |  |  |  |  |  |  |  |
Adjustment to record redeemable noncontrolling interests at redemption value |  | (1,937) |  |  | (2,061) |  |  | (2,061) | 124 | 1,937 | (1,937) | 2,729 | (792) | 1,937 |  |  | (20) | (1,917) |  | (1,937) | 0
Distributions to noncontrolling interests |  | (40,039) |  |  |  |  |  | 0 | (40,039) | (6,919) | (7,888) | (2,347) |  | (2,347) |  |  |  |  |  | 0 | (7,888)
Redeemable common units, ending balance at Dec. 31, 2016 |  |  |  |  |  |  |  |  |  | 17,996 | 17,996 |  |  |  |  |  |  |  |  |  |
Redeemable Noncontrolling Interests |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  | 197,134 |  |  |  |  | 172,882 | 172,882 | 24,252 |  | 197,134 | (2,762) | 1,159 | (1,603) | $ 44,892 |  | 1,523 | 146,845 |  | 193,260 | 3,874
Other comprehensive income (loss) |  | 431 |  |  |  | 371 |  | 371 | 60 | 3 | 431 |  | 3 | 3 |  |  |  |  | 431 | 431 | 0
Redemption of common units (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (965) |  |  |  |  |
Redemptions of common units | $ (11,754) |  |  |  |  |  |  |  |  |  | (11,754) |  |  |  |  |  |  | (11,754) |  | (11,754) | 0
Issuance of common units (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 336 |  |  |  |  |
Issuance of common units |  |  |  |  |  |  |  |  |  |  | 481 |  |  |  |  |  |  | 481 |  | 481 | 0
Purchase of noncontrolling interests in Operating Partnership/Acquire controlling interest in shopping center property |  | (11,754) |  |  |  |  |  | 0 | (11,754) |  |  |  |  |  |  |  |  |  |  |  |
Redemption of redeemable noncontrolling interest |  | 9,636 |  |  | 9,636 |  |  | 9,636 | 0 | (3,206) | 9,636 | (3,206) |  | (3,206) |  |  | 99 | 9,537 |  | 9,636 | 0
Dividends/distributions declared - common stock/units |  | (181,040) |  |  |  |  | (181,040) | (181,040) | 0 |  | (213,191) |  | (4,572) | (4,572) |  |  | (2,133) | (211,058) |  | (213,191) | 0
Dividends declared/distributions - preferred stock/units |  | (44,892) |  |  |  |  | (44,892) | (44,892) | 0 |  | (44,892) |  |  |  | (44,892) |  |  |  |  | (44,892) | 0
Issuance of shares of common stock and restricted common stock |  | 481 |  | 3 | 478 |  |  | 481 | 0 |  |  |  |  |  |  |  |  |  |  |  |
Cancellation of restricted common stock (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (34) |  |  |  |  |
Cancellation of restricted common stock, value |  | (267) |  |  | (267) |  |  | (267) | 0 |  | (267) |  |  |  |  |  |  | (267) |  | (267) | 0
Performance stock units |  | 1,033 |  |  | 1,033 |  |  | 1,033 | 0 |  | 1,033 |  |  |  |  |  | 11 | 1,022 |  | 1,033 | 0
Amortization of deferred compensation |  | 3,680 |  |  | 3,680 |  |  | 3,680 | 0 |  | 3,680 |  |  |  |  |  | 38 | 3,642 |  | 3,680 | 0
Allocation of partners' capital |  |  |  |  |  |  |  |  |  |  | (2,566) |  | 2,454 | 2,454 |  |  | (172) | (2,831) | 437 | (2,566) | 0
Adjustment for noncontrolling interests |  | (2,454) |  |  | (13,773) | (2,306) |  | (16,079) | 13,625 | 2,454 |  |  |  |  |  |  |  |  |  |  |
Adjustment to record redeemable noncontrolling interests at redemption value |  | (1,937) |  |  | (2,061) |  |  | (2,061) | 124 | 1,937 | (1,937) | 2,729 | (792) | 1,937 |  |  | (20) | (1,917) |  | (1,937) | 0
Distributions to noncontrolling interests |  | (40,039) |  |  |  |  |  | 0 | (40,039) | (6,919) | (7,888) | (2,347) |  | (2,347) |  |  |  |  |  | 0 | (7,888)
Contributions from noncontrolling interests |  | 11,241 |  |  |  |  |  | 0 | 11,241 |  | 11,241 |  |  |  |  |  |  |  |  | 0 | 11,241
Ending balance, shareholders' equity at Dec. 31, 2016 |  | 1,340,852 | 25 | 1,708 | 1,969,059 | $ 0 | (742,078) | 1,228,714 | 112,138 |  |  |  |  |  |  |  |  |  |  |  |
Ending balance, partners' capital at Dec. 31, 2016 |  |  |  |  |  |  |  |  |  |  | 1,341,179 | $ 0 | 17,996 | $ 17,996 | $ 565,212 |  | 7,781 | 756,083 | $ 0 | 1,329,076 | 12,103
Ending balance, partners' capital units (in shares) at Dec. 31, 2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 25,050 | 199,085 |  |  |  |  |
Redeemable Noncontrolling Interests |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  |  |  |  |  |  |  |  |  | 699 |  |  |  |  |  |  |  |  |  |  |
Adjustment for noncontrolling interests |  | (3,049) |  |  | (7,339) |  |  | (7,339) | 4,290 | 3,049 |  |  |  |  |  |  |  |  |  |  |
Adjustment to record redeemable noncontrolling interests at redemption value |  | 8,337 |  |  | 7,213 |  |  | 7,213 | 1,124 | (8,337) | 8,337 |  | (8,337) |  |  |  | 86 | 8,251 |  | 8,337 | 0
Distributions to noncontrolling interests |  | (55,796) |  |  |  |  |  | 0 | (55,796) | (4,572) | (25,823) |  |  |  |  |  |  |  |  | 0 | (25,823)
Redeemable common units, ending balance at Dec. 31, 2017 |  |  |  |  |  |  |  |  |  | 8,835 | 8,835 |  |  |  |  |  |  |  |  |  |
Redeemable Noncontrolling Interests |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  | 158,283 |  |  |  |  | 120,940 | 120,940 | 37,343 |  | 158,283 |  | 699 |  | $ 44,892 |  | 905 | 87,096 |  | 132,893 | 25,390
Redemption of common units (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (84) |  |  |  |  |
Redemptions of common units | $ (656) |  |  |  |  |  |  |  |  |  | (656) |  |  |  |  |  |  | (656) |  | (656) | 0
Issuance of common units (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 349 |  |  |  |  |
Issuance of common units |  |  |  |  |  |  |  |  |  |  | 529 |  |  |  |  |  |  | 529 |  | 529 | 0
Purchase of noncontrolling interests in Operating Partnership/Acquire controlling interest in shopping center property |  | (656) |  |  |  |  |  | 0 | (656) |  |  |  |  |  |  |  |  |  |  |  |
Dividends/distributions declared - common stock/units |  | (170,239) |  |  |  |  | (170,239) | (170,239) | 0 |  | (200,211) |  | (4,572) |  |  |  | (2,002) | (198,209) |  | (200,211) | 0
Dividends declared/distributions - preferred stock/units |  | (44,892) |  |  |  |  | (44,892) | (44,892) | 0 |  | (44,892) |  |  |  | (44,892) |  |  |  |  | (44,892) | 0
Issuance of shares of common stock and restricted common stock |  | $ 529 |  | 3 | $ 526 |  |  | $ 529 | $ 0 |  |  |  |  |  |  |  |  |  |  |  |
Cancellation of restricted common stock (in shares) |  | (405) |  |  | (405) |  |  | (405) | 0 |  |  |  |  |  |  | (53) |  |  |  |  |
Cancellation of restricted common stock, value |  |  |  |  |  |  |  |  |  |  | (405) |  |  |  |  |  |  | (405) |  | (405) | 0
Performance stock units |  | $ 1,501 |  |  | $ 1,501 |  |  | $ 1,501 | $ 0 |  | 1,501 |  |  |  |  |  | 15 | 1,486 |  | 1,501 | 0
Amortization of deferred compensation |  | 3,982 |  |  | 3,982 |  |  | 3,982 | 0 |  | 3,982 |  |  |  |  |  | 41 | 3,941 |  | 3,982 | 0
Allocation of partners' capital |  |  |  |  |  |  |  |  |  |  | (3,087) |  | 3,049 |  |  |  | (91) | (2,996) |  | (3,087) | 0
Adjustment for noncontrolling interests |  | (3,049) |  |  | (7,339) |  |  | (7,339) | 4,290 | 3,049 |  |  |  |  |  |  |  |  |  |  |
Adjustment to record redeemable noncontrolling interests at redemption value |  | 8,337 |  |  | 7,213 |  |  | 7,213 | 1,124 | (8,337) | 8,337 |  | (8,337) |  |  |  | 86 | 8,251 |  | 8,337 | 0
Deconsolidation of investment |  | (2,232) |  |  |  |  |  | 0 | (2,232) |  | (2,232) |  |  |  |  |  |  |  |  | 0 | (2,232)
Distributions to noncontrolling interests |  | (55,796) |  |  |  |  |  | 0 | (55,796) | $ (4,572) | (25,823) |  |  |  |  |  |  |  |  | 0 | (25,823)
Contributions from noncontrolling interests |  | 263 |  |  |  |  |  | 0 | 263 |  | 263 |  |  |  |  |  |  |  |  | 0 | 263
Ending balance, shareholders' equity at Dec. 31, 2017 |  | $ 1,236,478 | $ 25 | $ 1,711 | $ 1,974,537 |  | $ (836,269) | $ 1,140,004 | $ 96,474 |  |  |  |  |  |  |  |  |  |  |  |
Ending balance, partners' capital at Dec. 31, 2017 |  |  |  |  |  |  |  |  |  |  | $ 1,236,768 |  | $ 8,835 |  | $ 565,212 |  | $ 6,735 | $ 655,120 |  | $ 1,227,067 | $ 9,701
Ending balance, partners' capital units (in shares) at Dec. 31, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 25,050 | 199,297 |  |  |  |  |

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