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Income Taxes - Reconciliation of GAAP Net (Loss) Income Attributable to Taxable Income (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
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Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Income Tax Disclosure [Abstract] |  |  |  |  |  |  |  |  |  |  |
GAAP net (loss) income attributable to DDR | $ (218,038) | $ 983 | $ 29,611 | $ (54,241) | $ 33,741 | $ (60,360) | $ 41,058 | $ 45,573 | $ (241,685) | $ 60,012 | $ (72,168)
Plus: Book depreciation and amortization |  |  |  |  |  |  |  |  | 336,530 | 376,493 | 385,696
Less: Tax depreciation and amortization |  |  |  |  |  |  |  |  | (214,298) | (224,766) | (228,882)
Book/tax differences on losses from capital transactions |  |  |  |  |  |  |  |  | (195,294) | (155,170) | (149,507)
Joint venture equity in earnings, net |  |  |  |  |  |  |  |  | (9,537) | (3,802) | 8,491
Deferred income |  |  |  |  |  |  |  |  | (26,032) | (8,352) | (4,293)
Compensation expense |  |  |  |  |  |  |  |  | 4,093 | (5,237) | (18,879)
Impairment charges |  |  |  |  |  |  |  |  | 406,580 | 110,906 | 280,930
Senior convertible notes – accretion adjustment |  |  |  |  |  |  |  |  | 0 | 0 | 9,954
Senior convertible notes – repurchase premium |  |  |  |  |  |  |  |  | 0 | 0 | (52,390)
Puerto Rico tax prepayment |  |  |  |  |  |  |  |  | 12,237 | 0 | (16,812)
Miscellaneous book/tax differences, net |  |  |  |  |  |  |  |  | 8,409 | (2,625) | (10,204)
Taxable income before adjustments |  |  |  |  |  |  |  |  | 81,003 | 147,459 | 131,936
Less: Capital gains |  |  |  |  |  |  |  |  | 0 | 0 | 0
Taxable income subject to the 90% dividend requirement |  |  |  |  |  |  |  |  | $ 81,003 | $ 147,459 | $ 131,936

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