Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2015

Earnings Per Share [Abstract]

Computation of Earnings Per Share

Earnings per share are calculated as follows:

	Years Ended December 31,
(In thousands, except per share data)	2015		2014		2013
Basic net income per share:
Net income attributable to InfraREIT, Inc.	$	13,267	$	22,898	$	32,122
Weighted average common shares outstanding		42,983		35,053		29,883
Basic net income per share	$	0.31	$	0.65	$	1.07
Diluted net income per share:
Net income attributable to InfraREIT, Inc.	$	13,267	$	22,898	$	32,122
Weighted average common shares outstanding		42,983		35,053		29,883
Redemption of operating partnership units		—		—		—
Weighted average dilutive shares outstanding		42,983		35,053		29,883
Diluted net income per share	$	0.31	$	0.65	$	1.07
Due to the anti-dilutive effect, the computation of diluted earnings per share    does not reflect the following adjustments:
Net income attributable to noncontrolling interest	$	6,664	$	6,882	$	10,288
Redemption of operating partnership units		16,232		10,578		9,181