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Income Taxes - Income Tax Expense (Benefit) Included in Consolidated Statements of Comprehensive Income (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Current: |  |  |  |  |  |  |  |  |  |  |
Federal |  |  |  |  |  |  |  |  | $ 18,079 | $ 15,749 | $ 13,880
Foreign |  |  |  |  |  |  |  |  | 43 | 47 | 47
State and local |  |  |  |  |  |  |  |  | 2,694 | 1,782 | 2,311
Total |  |  |  |  |  |  |  |  | 20,816 | 17,578 | 16,238
Deferred: |  |  |  |  |  |  |  |  |  |  |
Federal |  |  |  |  |  |  |  |  | 1,060 | 952 | (394)
State and local |  |  |  |  |  |  |  |  | 953 | 1,624 | 733
Total |  |  |  |  |  |  |  |  | 2,013 | 2,576 | 339
Provision for income taxes from continuing operations | $ (2,226) | $ 6,787 | $ 4,696 | $ 13,572 | $ (2,137) | $ 4,353 | $ 4,824 | $ 13,114 | 22,829 | 20,154 | 16,577
Operations of discontinued operations: |  |  |  |  |  |  |  |  |  |  |
Current |  |  |  |  |  |  |  |  | (1,263) | 51 | 3,107
Deferred |  |  |  |  |  |  |  |  | 68 | (222) | (653)
Total |  |  |  |  |  |  |  |  | (1,195) | (171) | 2,454
Gain on disposal of discontinued operations: |  |  |  |  |  |  |  |  |  |  |
Current |  |  |  |  |  |  |  |  | 427 | 34 | 49,973
Deferred |  |  |  |  |  |  |  |  | (344) |  | (776)
Total |  |  |  |  |  |  |  |  | 83 | 34 | 49,197
Total income tax expense from discontinued operations |  |  |  |  |  |  |  |  | (1,112) | (137) | 51,651
Total income tax expense |  |  |  |  |  |  |  |  | $ 21,717 | $ 20,017 | $ 68,228

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