CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Members' Capital	Additional Paid-In Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss	Total InfraREIT, Inc. Equity	Noncontrolling Interest
Balance at Dec. 31, 2012	$ 348,778		$ 258,942			$ (1,610)	$ 257,332	$ 91,446
Members' contributions	137,255		137,255				137,255
Noncontrolling interest contributions	2,375							2,375
Net income	42,410		32,122				32,122	10,288
Change in fair value of cash flow hedging instrument	1,323					1,000	1,000	323
Non-cash noncontrolling interest equity issuance	32,052							32,052
Balance at Dec. 31, 2013	564,193		428,319			(610)	427,709	136,484
Equity based compensation	120							120
Dividends and distributions	(14,130)		(10,830)				(10,830)	(3,300)
Net income	29,780		22,898				22,898	6,882
Change in fair value of cash flow hedging instrument	844					$ 610	610	234
Non-cash noncontrolling interest equity issuance	4,647							4,647
Balance at Dec. 31, 2014	585,454		440,387				440,387	145,067
Equity based compensation	678							678
Dividends and distributions	(61,099)		(8,964)		$ (35,508)		(44,472)	(16,627)
Net income	19,931		2,285		10,982		13,267	6,664
Non-cash noncontrolling interest equity issuance	67,273							67,273
Balance at Dec. 31, 2015	934,268	$ 436		$ 702,213	$ (24,526)		678,123	256,145
Balance, shares at Dec. 31, 2015		43,565,495
Repurchase of common shares, value	(66,517)		(66,517)				(66,517)
Repurchase of common shares		(6,242,999)
Initial public offering, net of offering costs	490,433	$ 230		490,203			490,433
Initial public offering, net of offering costs, shares		23,000,000
Merger of InfraREIT, L.L.C. and InfraREIT, Inc. and related Reorganization transactions	$ (101,885)	$ 206	$ (367,191)	$ 212,010			$ (154,975)	$ 53,090
Merger of InfraREIT, L.L.C. and InfraREIT, Inc. and related Reorganization transactions, shares		26,808,494