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LEASES - Capital Lease (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2015
USD ($)
Capital Leased Assets [Line Items]  
Useful life 50 years
Equipment and Facilities [Member]  
Capital Leased Assets [Line Items]  
Interest rate 6.80%
Carrying cost of leased assets $ 4,100
Capital Leases, Future Minimum Payments, Net Present Value [Abstract]  
2016 1,282
2017 1,282
2018 1,282
2019 1,282
2020 1,282
Thereafter 8,657
Total minimum future rentals 15,067
Less: Interest portion (4,710)
Present value of future minimum lease payments $ 10,357
Equipment and Facilities [Member] | Minimum [Member]  
Capital Leased Assets [Line Items]  
Useful life 7 years
Equipment and Facilities [Member] | Maximum [Member]  
Capital Leased Assets [Line Items]  
Useful life 39 years