LEASES - Future Minimum Lease Payments (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014
Operating Leases, Future Minimum Payments Due
2015	$ 4,066
2016	3,573
2017	3,103
2018	2,925
2019	2,114
Thereafter	5,354
Total	21,135
Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments
2015	564
2016	571
2017	580
2018	588
2019	598
Thereafter	6,623
Total projected lease payments for capital leases	9,524
Imputed interest	(3,552)
Present value of minimum lease payments	$ 5,972