CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
REVENUE
Rental revenue	$ 43,578	$ 53,777
Management and other fee income	$ 282
Type of Revenue [Extensible List]	us-gaap:ManagementServiceMember	us-gaap:ManagementServiceMember
Total revenue	$ 43,860	$ 53,777
EXPENSES
Property operating	10,237	7,241
Real estate taxes	10,192	11,381
Depreciation and amortization	26,216	34,667
General and administrative	9,759	7,797
Provision for doubtful accounts		61
Total expenses	56,404	61,147
Gain on sale of real estate, net	21,261	41,831
Equity in income (loss) of unconsolidated joint ventures	1,222	(2,582)
Interest and other income	2,598	680
Interest expense	(23,454)	(16,419)
Change in fair value of interest rate cap		165
(Loss) income before income taxes	(10,917)	16,305
Provision for income taxes	23	(104)
Net (loss) income	(10,894)	16,201
Net income (loss) attributable to non-controlling interests	3,927	(5,873)
Net loss (income) attributable to Seritage	(6,967)	10,328
Preferred dividends	(1,225)	(1,228)
Net (loss) income attributable to Seritage common shareholders	$ (8,192)	$ 9,100
Net (loss) income per share attributable to Seritage Class A and Class C common shareholders - Basic	$ (0.23)	$ 0.26
Net (loss) income per share attributable to Seritage Class A and Class C common shareholders - Diluted	$ (0.23)	$ 0.26
Weighted average Class A and Class C common shares outstanding - Basic	35,671	35,414
Weighted average Class A and Class C common shares outstanding - Diluted	35,671	35,501