CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Income Statement [Abstract]
Lease revenue	$ 33,665	$ 29,372
Operating costs and expenses
General and administrative expense	5,545	48,733
Depreciation	11,074	9,508
Total operating costs and expenses	16,619	58,241
Income (loss) from operations	17,046	(28,869)
Other (expense) income
Interest expense, net	(8,842)	(7,422)
Other income, net	759	626
Total other expense	(8,083)	(6,796)
Income (loss) before income taxes	8,963	(35,665)
Income tax expense	186	208
Net income (loss)	8,777	(35,873)
Less: Net income (loss) attributable to noncontrolling interest	2,462	(9,000)
Net income (loss) attributable to InfraREIT, Inc.	$ 6,315	$ (26,873)
Net income (loss) attributable to InfraREIT, Inc. common stockholders per share:
Basic	$ 0.14	$ (0.65)
Diluted	0.14	(0.65)
Cash dividends declared per common share	$ 0.25	$ 0.40