SUPPLEMENTAL CASH FLOW INFORMATION (Supplemental Disclosure of Cash Flow information) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash (paid) received:
Interest	$ (840)	$ (1,102)
Income tax payments	(916)	(1,082)
Refund of income taxes	13	0
Dividends declared per common share	$ 0.06	$ 0.06
Non-cash activities:
Repurchases of common stock from employees in exchange for the payment of income taxes and option exercises	49	1,179
Issuance of treasury stock for the Company's investment savings plan	184	331
Common stock issued to a former director in exchange for vested director units	0	135
Effects from the deconsolidation of Apidos Capital Management, LLC (Apidos) (1):
Receivables from managed entities	0	715
Investment in unconsolidated entities	0	(1,824)
Other assets	0	20
Accrued expenses and other liabilities	$ 0	$ (938)