RESTRICTED CASH (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	$ 2,164	$ 3,641
Other assets
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	1,920	3,388
Other assets | Collateral accounts
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	619	3,120
Other assets | Rental deposits
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	1,301	268
Prepaid and other
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	244	253
Prepaid and other | Collateral accounts
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	0	117
Prepaid and other | Other
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	142	3
Prepaid and other | Client guarantees
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	$ 102	$ 133