Income Taxes (Tables)

12 Months Ended

Dec. 31, 2013

Components of Deferred Tax Assets and Liabilities [Abstract]

Significant Components Of Deferred Tax Assets And Liabilities

	As of December 31,
	2013			2012
	(In thousands)
Deferred tax assets:
Property, plant and equipment	$	209,134		$	483,771
Net operating loss carry-forwards	183,982			109,100
Investment in Fortune Creek	3,763			3,763
AMT tax credit	47,883			55,814
Settlements of interest rate swaps	1,681			5,876
Deferred compensation expense	11,711			11,141
State	3,680			—
Other	791			2,710
Deferred tax assets	462,625			672,175
Deferred tax liabilities:
Net derivative gains	(44,039		)	(73,195		)
Other	(991		)	—
Deferred tax liabilities	(45,030		)	(73,195		)
Net deferred tax asset (liability)	417,595			598,980
Valuation allowance	(417,595		)	(598,980		)
Total deferred tax asset (liability)	$	—		$	—
Reflected in the consolidated balance sheets as:
Current deferred income tax liability	$	—		$	—
Non-current deferred income tax liability	—			—
	$	—		$	—

Components of net income (loss) before income tax

	2013			2012			2011
				(In thousands)
U.S.	$	184,034		$	(2,142,730	)	$	146,090
Canada	(7,866		)	(505,446		)	1,819
Total	$	176,168		$	(2,648,176	)	$	147,909

Components Of Income Tax Expense

	2013			2012			2011
				(In thousands)
Current state income tax expense (benefit)	$	900		$	1,752		$	(1,706	)
Current U.S. federal income tax expense (benefit)	(7,931		)	—			(5,565		)
Current Canadian income tax expense	—			—			642
Total current income tax expense (benefit)	(7,031		)	1,752			(6,629		)
Deferred U.S. federal income tax expense (benefit)	205,820			(763,639		)	58,890
U.S. federal valuation allowance expense	(186,713		)	533,974			—
Deferred state income tax expense (benefit)	(3,680		)	—			1,980
State valuation allowance expense	3,680			—			—
Deferred Canadian income tax expense (benefit)	827			(128,982		)	3,622
Canadian valuation allowance expense	1,647			61,325			—
Total deferred income tax expense (benefit)	21,581			(297,322		)	64,492
Total income tax expense (benefit)	$	14,550		$	(295,570	)	$	57,863

Statutory Federal Income Tax Rate

	2013		2012		2011
U.S. federal statutory tax rate	35.00	%	35.00	%	35.00	%
Permanent differences	4.80	%	(0.06	)%	1.51	%
State income taxes net of federal deduction	0.31	%	(0.04	)%	0.12	%
Canadian income taxes	(0.26	)%	(1.93	)%	2.41	%
Other	(0.15	)%	0.67	%	0.08	%
Derivatives deferred in OCI	12.43	%	—	%	—	%
Valuation allowance	(43.87	)%	(22.48	)%	—	%
Effective income tax rate	8.26	%	11.16	%	39.12	%

Schedule of Unrecognized Tax Benefits

	As of  December 31,
	2013		2012
	(In thousands)
Beginning unrecognized tax benefits	$	—	$	9,219
Changes	—		(9,219		)
Ending unrecognized tax benefits	$	—	$	—