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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 | $ 32,844 | $ 80,509 | $ 86,477
Other comprehensive (loss) income: |  |  |
Change in fair value of marketable securities (see Note 5) | 0 | (2,762) | (5,273)
Change in value of interest rate cap | (1) | (70) | 133
Comprehensive income | $ 32,843 | $ 77,677 | $ 81,337

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