COMMITMENTS AND CONTINGENCIES Leases of property and equipment (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Commitments and Contingencies Disclosure [Abstract]
Operating Leases, Rent Expense	$ 1,239	$ 1,028	$ 871
Operating Leases, Future Minimum Payments Due, 2014	978
Operating Leases, Future Minimum Payments Due, 2015	914
Operating Leases, Future Minimum Payments Due, 2016	437
Operating Leases, Future Minimum Payments Due, 2017	150
Operating Leases, Future Minimum Payments Due, 2018	107
Operating Leases, Future Minimum Payments Due, 2019 and Thereafter	109
Operating Leases, Future Minimum Payments Due	$ 2,695