Restricted Stock Narrative (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
unrecognized stock-based compensation expense for restricted stock	$ 2,783		$ 2,783
unrecognized stock-based compensation expensed restricted stock upon change in control	330		330
unrecognized stock-based compensation expensed restricted stock others	2,453		2,453
unrecognized stock-based compensation restricted stock depending upon change in control	130		130
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Global managed services	11	5	27	23
Sales and marketing	17	7	47	16
General and administrative	136	27	219	83
Restricted stock compensation expense	$ 164	$ 39	$ 293	$ 122
weighted average period for amortization of restricted stock			8 years 3 months 18 days