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Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Statement of Comprehensive Income [Abstract] |  |  |
Net income | $ 229,011 | $ 203,319 | $ 148,514
Other comprehensive income, net of tax: |  |  |
Unrealized gains (losses) on hedging derivatives, net of taxes of $39, $6, and $94 for the years ended December 31, 2018, 2017 and 2016, respectively | 118 | 11 | (151)
Unrealized gains (losses) on available for sale securities, net of taxes of $103, $108 and $168 for the years ended December 31, 2018, 2017 and 2016, respectively | 309 | 175 | (270)
Comprehensive income | $ 229,438 | $ 203,505 | $ 148,093

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