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Income Taxes - Reconciliation of Income Tax Expense Using Statutory Federal Income Tax Rate Compared with Actual Income Tax Expense (Detail) (USD $) In Thousands, unless otherwise specified
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3 Months Ended |
12 Months Ended |
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Dec. 31, 2014
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Sep. 30, 2014
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Jun. 30, 2014
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Mar. 31, 2014
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Dec. 31, 2013
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Sep. 30, 2013
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Jun. 30, 2013
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Mar. 31, 2013
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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| Effective income tax reconciliation |
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| Tax at Statutory U.S. Rate of 34% |
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|
|
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|
|
|
$ (121,019) |
$ (38,001) |
$ (59,586) |
| Increase resulting from: |
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| Nondeductible transaction costs |
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|
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9,274 |
1,756 |
0 |
| Meals and entertainment |
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|
|
|
|
|
|
|
173 |
173 |
197 |
| Nondeductible lobbying expenses |
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|
|
|
|
|
|
|
162 |
80 |
46 |
| Disallowed compensation |
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|
|
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0 |
0 |
680 |
| Other disallowed expenses |
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|
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|
|
|
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3 |
4 |
36 |
| Net permanent differences |
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|
|
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9,612 |
2,013 |
959 |
| Valuation allowance |
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|
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|
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123,875 |
132,050 |
63,721 |
| Benefit from change in prior tax position |
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0 |
(93,039) |
0 |
| State income taxes (benefit) |
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|
|
|
|
|
|
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(14,763) |
(3,740) |
(6,550) |
| Return to provision |
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|
|
|
|
|
|
|
(694) |
155 |
32 |
| Income tax (benefit) provision |
$ (2,300) |
$ (600) |
$ 0 |
$ 0 |
$ (600) |
$ 0 |
$ 0 |
$ 0 |
$ (2,989) |
$ (562) |
$ (1,424) |
| Statutory U.S. Rate |
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|
|
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34.00% |
34.00% |
34.00% |