Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Net income		$ 5,795	$ 5,057	$ 18,203	$ 11,359
Other comprehensive income, net of tax:
Reclassification adjustment for realized gains on marketable securities included in net income (1)	[1]		$ (121)		(121)
Reclassification adjustment for unrealized losses on marketable securities included in net income, net of income taxes (2)	[2]	$ 359		$ 359	1
Changes in fair value of marketable securities (3)	[3]	(1,537)	$ (360)	(1,380)	772
COMPREHENSIVE INCOME		$ 4,617	$ 4,576	$ 17,182	$ 12,011

[1] Net of deferred income taxes of $0, $(74), $0, and $(74), respectively.

[2] Net of deferred income taxes of $220, $0, $220, and $0, respectively.

[3] Net of deferred income taxes of $(940), $(220), $(844), and $473, respectively.