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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 7,128	$ 4,323	$ 20,007	$ 20,067
Other comprehensive gain (loss)
Reclassification of gain on available-for-sale securities included in net income				(27)
Net unrealized gain (loss) on derivative instruments	104	1,018	172	(5,177)
One Liberty Properties Inc.'s share of joint venture net unrealized gain (loss) on derivative instruments	11	44	34	(92)
Other comprehensive gain (loss)	115	1,062	206	(5,296)
Comprehensive income	7,243	5,385	20,213	14,771
Net income attributable to non-controlling interests	(23)	(24)	(65)	(40)
Adjustment for derivative instruments attributable to non-controlling interests	(1)	(5)	(2)	15
Comprehensive income attributable to One Liberty Properties, Inc.	$ 7,219	$ 5,356	$ 20,146	$ 14,746

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