Income Taxes (Tables)
|
12 Months Ended |
Dec. 31, 2012
|
Components of Income Tax Expense |
Components of
income tax expense were as follows (in thousands):
|
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|
|
|
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|
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|
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|
|
|
Year Ended
December 31, |
|
|
|
2012 |
|
|
2011 |
|
|
2010 |
|
Current
|
|
$ |
(40,562 |
) |
|
$ |
29,682 |
|
|
$ |
20,167 |
|
Deferred
|
|
|
88,109 |
|
|
|
61,835 |
|
|
|
(8,266 |
) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ |
47,547 |
|
|
$ |
91,517 |
|
|
$ |
11,901 |
|
|
|
|
|
|
|
|
|
|
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|
|
|
Reconciliation of Income Taxes Computed to Income Tax Expense |
The
reconciliation of income taxes computed at the U.S. federal
statutory tax rate to our income tax expense is as follows (in
thousands):
|
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|
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|
Year Ended
December 31, |
|
|
|
2012 |
|
|
2011 |
|
|
2010 |
|
Income tax expense at the
federal statutory rate
|
|
$ |
41,836 |
|
|
|
35.0 |
% |
|
$ |
92,517 |
|
|
|
35.0 |
% |
|
$ |
45,427 |
|
|
|
35.0 |
% |
Valuation
allowance
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(31,985 |
) |
|
|
(24.6 |
) |
Domestic production
activities adjustment
|
|
|
4,256 |
|
|
|
3.5 |
|
|
|
(1,823 |
) |
|
|
(0.7 |
) |
|
|
(2,623 |
) |
|
|
(2.0 |
) |
State income
taxes
|
|
|
750 |
|
|
|
0.6 |
|
|
|
603 |
|
|
|
0.2 |
|
|
|
32 |
|
|
|
— |
|
Other
|
|
|
705 |
|
|
|
0.7 |
|
|
|
220 |
|
|
|
0.1 |
|
|
|
1,050 |
|
|
|
0.8 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ |
47,547 |
|
|
|
39.8 |
% |
|
$ |
91,517 |
|
|
|
34.6 |
% |
|
$ |
11,901 |
|
|
|
9.2 |
% |
|
|
|
|
|
|
|
|
|
|
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|
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|
Significant Components of Deferred Tax Assets and Liabilities |
Significant
components of our deferred tax assets and liabilities were as
follows (in thousands):
|
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|
|
|
|
|
|
|
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|
December 31, |
|
|
|
2012 |
|
|
2011 |
|
Deferred tax
liabilities:
|
|
|
|
|
|
|
|
|
Property and
equipment
|
|
$ |
186,599 |
|
|
$ |
63,328 |
|
Other
|
|
|
4,822 |
|
|
|
4,707 |
|
|
|
|
|
|
|
|
|
|
Total deferred tax
liabilities
|
|
|
191,421 |
|
|
|
68,035 |
|
|
|
|
|
|
|
|
|
|
Deferred tax
assets:
|
|
|
|
|
|
|
|
|
Minimum tax
credit
|
|
|
22,314 |
|
|
|
— |
|
Federal net operating
losses
|
|
|
12,389 |
|
|
|
— |
|
State net operating
losses
|
|
|
5,057 |
|
|
|
4,626 |
|
Derivatives
|
|
|
3,312 |
|
|
|
1,096 |
|
Valuation allowance
(state)
|
|
|
(4,674 |
) |
|
|
(4,626 |
) |
Accrued cash-based
bonus
|
|
|
2,455 |
|
|
|
5,390 |
|
Stock-based
compensation
|
|
|
4,256 |
|
|
|
3,971 |
|
Other
|
|
|
1,330 |
|
|
|
704 |
|
|
|
|
|
|
|
|
|
|
Total deferred tax
assets
|
|
|
46,439 |
|
|
|
11,161 |
|
|
|
|
|
|
|
|
|
|
Net deferred tax
liabilities
|
|
$ |
144,982 |
|
|
$ |
56,874 |
|
|
|
|
|
|
|
|
|
|
|
Net Operating Loss and Tax Credit Carryovers |
The table below
presents the details of our net operating loss and tax credit
carryovers as of December 31, 2012 (in thousands):
|
|
|
|
|
|
|
|
|
Amount |
|
|
Expiration Year |
Federal net operating
loss
|
|
$ |
35,399 |
|
|
2032 |
State net operating
losses
|
|
|
95,780 |
|
|
2017-2027 |
Minimum tax
credit
|
|
|
22,314 |
|
|
Indefinite |
General business
credit
|
|
|
406 |
|
|
2027-2028 |
|
Balances and Changes in Uncertain Tax Positions |
Balances and
changes in the uncertain tax positions are as follows (in
thousands):
|
|
|
|
|
|
|
|
|
|
|
December
31, |
|
|
|
2012 |
|
|
2011 |
|
Balance at beginning of
period
|
|
|
— |
|
|
$ |
3,558 |
|
(Decreases) related to
prior-year tax positions
|
|
|
— |
|
|
|
(3,558 |
) |
|
|
|
|
|
|
|
|
|
Balance at end of
period
|
|
|
— |
|
|
$ |
— |
|
|
|
|
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|