Members' Equity (Tables)

12 Months Ended

Mar. 31, 2014

Members' Equity

Schedule of reconciliation of units outstanding

	Common Unitholders		Subordinated Unitholders			Total
Units outstanding at March 31, 2011		33,804,745		33,804,745			67,609,490
Units issued August 24, 2011		687,500		—			687,500
Units outstanding at March 31, 2012 and 2013		34,492,245		33,804,745			68,296,990
Subordinated units cancelled April 2, 2013		—		(33,804,745	)		(33,804,745	)
Units issued under the DRIP		1,252,815		—			1,252,815
Units outstanding at March 31, 2014		35,745,060		—			35,745,060

Unit-based compensation

Schedule of weighted average unit price at grant date and number of Phantom Units granted

	Year ended March 31,
	2014		2013		2012
Weighted average price per unit at grant date	$	12.68	$	9.99	$	21.95
Number of Phanton Units Granted		438,036		695,349		518,425

Schedule of net income (loss) allocation and income (loss) per unit calculation

	Year ended March 31,
	2014			2013			2012
Numerator:
Net earnings (loss) attributable to Niska Partners	$	(8,957	)	$	(43,601	)	$	(165,772	)
Less:
Managing Member's interest		171			863			3,283
Net earnings (loss) attributable to common and subordinated unitholders	$	(8,786	)	$	(42,738	)	$	(162,489	)
Denominator:
Basic:
Weighted average units outstanding		34,941,036			68,296,990			68,010,532
Diluted:
Weighted average units outstanding		34,941,036			68,296,990			68,010,532
Earnings (loss) per unit allocated to common unitholders—basic and diluted	$	(0.25	)	$	(0.63	)	$	(2.39	)
Earnings (loss) per unit allocated to subordinated unitholders—basic and diluted	$	—		$	(0.63	)	$	(2.39	)

Phantom Units Outstanding

Unit-based compensation

Schedule of reconciliation of phantom units outstanding and nonvested phantom units

	Number of Time- Based Units			Number of Performance- Based Units			Total Units
Phantom Units outstanding—March 31, 2013		624,518			307,489			932,007
Granted		219,018			219,018			438,036
Exercised		(61,498	)		(61,498	)		(122,996	)
Forfeited		(24,718	)		(23,719	)		(48,437	)
Distribution equivalent rights		78,040			45,910			123,950
Phantom Units outstanding—March 31, 2014		835,360			487,200			1,322,560

Nonvested Phantom Units

Unit-based compensation

Schedule of reconciliation of phantom units outstanding and nonvested phantom units

	Number of Time- Based Units			Number of Performance- Based Units			Total Units
Nonvested Phantom Units—March 31, 2013		563,020			245,991			809,011
Granted		219,018			219,018			438,036
Vested		(368,502	)		(174,436	)		(542,938	)
Forfeited		(24,718	)		(23,719	)		(48,437	)
Distribution equivalent rights		78,040			45,910			123,950
Nonvested Phantom Units—March 31, 2014		466,858			312,764			779,622