Restricted Stock Narrative (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
unrecognized stock-based compensation expense for restricted stock	$ 2,639		$ 2,639
unrecognized stock-based compensation expensed restricted stock upon change in control	330		330
unrecognized stock-based compensation expensed restricted stock others	2,309		2,309
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	10	8	16	18
Sales and marketing	16	7	30	9
General and administrative	46	24	83	56
Restricted stock compensation expense	$ 72	$ 39	$ 129	$ 83
weighted average period for amortization of restricted stock			8 years 9 months 18 days