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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Components of AOCI (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
OCI before reclassifications			$ 877
Amounts reclassified from AOCI			(443)
Total other comprehensive income			434
AOCI Including Portion Attributable to Noncontrolling Interest
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance, shareholders' equity		$ 0	(434)
Ending balance, shareholders' equity			0
Redeemable Noncontrolling Interests/Common Units, Unrealized Gains (Losses), Hedging Agreements
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance, shareholders' equity		0	433
OCI before reclassifications			3
Amounts reclassified from AOCI			(436)
Total other comprehensive income			(433)
Ending balance, shareholders' equity			0
The Company/Partner's Capital, Unrealized Gains (Losses), Hedging Agreements
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance, shareholders' equity		0	1,935
OCI before reclassifications			814
Amounts reclassified from AOCI			(2,749)
Total other comprehensive income			(1,935)
Ending balance, shareholders' equity			0
Interest on cash flow hedges reclassified to interest expense			(443)
Noncontrolling Interests, Unrealized Gains (Losses), Hedging Agreements
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance, shareholders' equity		0	(2,802)
OCI before reclassifications			60
Amounts reclassified from AOCI			2,742
Total other comprehensive income			2,802
Ending balance, shareholders' equity			0
CBL & Associates Limited Partnership
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
OCI before reclassifications			877
Amounts reclassified from AOCI			(443)
Total other comprehensive income	$ 0	0	434
Interest on cash flow hedges reclassified to interest expense	$ 0	0	(443)
CBL & Associates Limited Partnership | AOCI Including Portion Attributable to Noncontrolling Interest
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance, shareholders' equity		0	(434)
Ending balance, shareholders' equity			0
CBL & Associates Limited Partnership | Redeemable Noncontrolling Interests/Common Units, Unrealized Gains (Losses), Hedging Agreements
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance, shareholders' equity		0	434
OCI before reclassifications			3
Amounts reclassified from AOCI			(437)
Total other comprehensive income			(434)
Ending balance, shareholders' equity			0
CBL & Associates Limited Partnership | The Company/Partner's Capital, Unrealized Gains (Losses), Hedging Agreements
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance, shareholders' equity		$ 0	(868)
OCI before reclassifications			874
Amounts reclassified from AOCI			(6)
Total other comprehensive income			868
Ending balance, shareholders' equity			0
Interest on cash flow hedges reclassified to interest expense			$ (443)

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Accumulated Other Comprehensive Income (Loss) [Roll Forward]

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Other Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling and Redeemable Noncontrolling Interest

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Amount after tax, before reclassification adjustments of other comprehensive income (loss).

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Amount after tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).

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Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.

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