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Consolidated Statements of Comprehensive Income - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Statements of Comprehensive Income    
Net income $ 21,667 $ 22,019
Other comprehensive (loss) income:    
Change in unrealized net gain on available-for-sale securities (3,447) (777)
Change in value of interest rate cap 56 16
Comprehensive income $ 18,276 $ 21,258