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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Statement Of Income And Comprehensive Income [Abstract] |  |  |  |
Net income | $ 20,394 | $ 4,828 | $ 12,488 | $ 6,501
Other comprehensive income (loss), net of applicable taxes: |  |  |  |
Foreign currency translation adjustment | 422 | (3,892) | 260 | (2,452)
Unrealized gain on short-term investments | 232 | 0 | 647 | 0
Total other comprehensive income (loss) | 654 | (3,892) | 907 | (2,452)
Comprehensive income | $ 21,048 | $ 936 | $ 13,395 | $ 4,049

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