Condensed Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Statement of Comprehensive Income [Abstract]
NET INCOME	$ 3,529	$ 5,035	$ 5,818	$ 10,280
Other comprehensive income:
Unrealized gains (losses) on investments	327	(107)	449	276
Reclassification adjustment for a realized loss on investment included in other expense	0	0	0	26
Income tax benefits (provision)	(117)	32	(159)	(107)
Other comprehensive income (loss), net of taxes	210	(75)	290	195
COMPREHENSIVE INCOME	$ 3,739	$ 4,960	$ 6,108	$ 10,475