v3.8.0.1

Unaudited Quarterly Financial Data (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Unaudited Quarterly Information |  |  |  |  |  |  |  |  |  |  |
Total revenues | $ 280,772 | $ 205,739 | $ 201,194 | $ 155,548 | $ 261,692 | $ 205,427 | $ 188,096 | $ 124,090 | $ 843,253 | $ 779,305 | $ 517,766
Total expenses | 265,728 | 208,088 | 199,725 | 151,380 | 244,196 | 193,492 | 180,800 | 123,231 | 824,921 | 741,719 | 505,380
Income before income taxes | 15,044 | (2,349) | 1,469 | 4,168 | 17,496 | 11,935 | 7,296 | 859 | 18,332 | 37,586 | 12,386
Less: income tax expense (benefit) | 38,589 | (872) | 822 | 1,729 | 438 | 38 | (110,065) | 68 | (40,268) | 109,521 | (436)
Net income (loss) | $ (23,545) | $ (1,477) | $ 647 | $ 2,439 | $ 17,058 | $ 11,897 | $ 117,361 | $ 791 | $ (21,936) | $ 147,107 | $ 11,950
Earnings (loss) per share: |  |  |  |  |  |  |  |  |  |  |
Basic earnings (loss) per share (in dollars per share) | $ (1.05) | $ (0.07) | $ 0.03 | $ 0.11 | $ 0.77 | $ 0.53 | $ 5.24 | $ 0.04 | $ (0.98) | $ 6.58 | $ 0.54
Diluted earnings (loss) per share (in dollars per share) | $ (1.05) | $ (0.07) | $ 0.03 | $ 0.11 | $ 0.68 | $ 0.49 | $ 4.45 | $ 0.04 | $ (0.98) | $ 5.66 | $ 0.54

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