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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 3,449	$ 3,226
Other comprehensive gain
Net unrealized gain on available-for-sale securities	46	30
Net unrealized gain on derivative instruments	178
One Liberty Property's share of joint venture net unrealized gain on derivative instruments	10
Other comprehensive gain	234	30
Comprehensive income	3,683	3,256
Plus: comprehensive loss (income) attributable to non-controlling interests	1	(3)
Comprehensive income attributable to One Liberty Properties, Inc.	$ 3,684	$ 3,253

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- Definition

This element represents the change in accumulated gains and losses from derivative instrument related to share of joint venture, designated and qualifying as the effective portion of cash flow hedges, net of tax effect. The after tax effect change includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.

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