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Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2015 | Sep. 30, 2014
Statement of Comprehensive Income [Abstract] |  |  |  |
Net income | $ 18,172 | $ 17,692 | $ 53,335 | $ 49,764
Other comprehensive income: |  |  |  |
Change in unrealized net gain on available-for-sale securities | 1,188 | (1,563) | (3,527) | 2,644
Change in value of interest rate cap | 2 | (30) | (8) | (183)
Comprehensive Income | $ 19,362 | $ 16,099 | $ 49,800 | $ 52,225

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