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Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
NET INCOME $ 3,446 $ 3,451 $ 7,338 $ 10,378
Other comprehensive income, net of tax:        
Reclassification adjustment for realized gains on marketable equity securities included in net income (1) [1] (1,265) (594) (2,308) (543)
Reclassification adjustment for unrealized losses on marketable securities included in net income, net of income taxes (2) [2] 9 109 26 440
Changes in fair value of marketable securities (3) [3] 437 (376) 277 1,009
COMPREHENSIVE INCOME $ 2,627 $ 2,590 $ 5,333 $ 11,284
[1] Net of deferred income taxes of $(774), $(364), $(1,412), and $(333), respectively.
[2] Net of deferred income taxes of $6, $67, $16, and $269, respectively.
[3] Net of deferred income taxes of $ 266, $(230), $ 168, and $618, respectively.