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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Statement of Comprehensive Income [Abstract] |  |  |
Net income | $ 29,300 | $ 34,681 | $ 29,516
Other comprehensive income (loss); change in funded status of pension plan, net of $7, $1,016 and $2,654 in tax for 2016, 2015 and 2014, respectively | (32) | (1,599) | (3,956)
Comprehensive income | $ 29,268 | $ 33,082 | $ 25,560

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