STOCKHOLDERS' EQUITY STOCKHOLDERS' EQUITY - Accumulated Other Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance at beginning of period	$ 21,007	$ 20,472
Change in currency translation adjustment, net of tax	(148)	512	158
Changes in unrealized investment gain, net of tax	(29)	23	107
Balance at end of period	20,830	21,007	20,472
Foreign currency translation adjustments
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance at beginning of period	20,978	20,466	20,308
Reclassification to earnings, net of tax	(488)	0	0
Change in currency translation adjustment, net of tax	340	512	158
Balance at end of period	20,830	20,978	20,466
Unrealized investment gain
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance at beginning of period	29	6	(101)
Reclassification to earnings, net of tax	(29)	(6)	13
Changes in unrealized investment gain, net of tax	0	29	94
Balance at end of period	$ 0	$ 29	$ 6