RESTRICTED CASH (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	$ 1,599	$ 3,641
Other assets
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	1,360	3,388
Other assets | Collateral accounts
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	1,061	3,120
Other assets | Rental deposits
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	299	268
Prepaid and other
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	239	253
Prepaid and other | Collateral accounts
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	8	117
Prepaid and other | Others
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	115	3
Prepaid and other | Client guarantees
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	$ 116	$ 133