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v3.8.0.1

Provisions for Federal and State Income Taxes (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Current Income Tax Provision |  |  |
Federal | $ 0 | $ 0 | $ 0
State |  |  | 3,530
Total Current Income Taxes |  |  | 3,530
Deferred Income Provision |  |  |
Federal | 13,675 | 11,209 | 12,413
State | 3,862 | 4,145 | (500)
Total Deferred Income Taxes | 17,537 | 15,354 | 11,913
Total Income Tax Expense | $ 17,537 | $ 15,354 | $ 15,443

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