LEASES (Maturities of Operating Lease Liabilities - 2019) (Details) $ in Thousands	Sep. 30, 2019 USD ($)
Maturities of operating lease liabilities
Remainder of 2019	$ 5,419
2020	20,131
2021	15,604
2022	11,189
2023	8,068
Thereafter	18,676
Total lease payments	79,087
Less imputed interest	(7,813)
Total operating lease liabilities	71,274
Land and Structures
Maturities of operating lease liabilities
Remainder of 2019	5,156
2020	19,132
2021	15,334
2022	11,189
2023	8,068
Thereafter	18,676
Total lease payments	77,555
Less imputed interest	(7,772)
Total operating lease liabilities	69,783
Future minimum payments for leases that have not yet commenced	$ 34,700
Lease term for lease commitments that have not yet commenced	12 years
Equipment and Others
Maturities of operating lease liabilities
Remainder of 2019	$ 263
2020	999
2021	270
Total lease payments	1,532
Less imputed interest	(41)
Total operating lease liabilities	$ 1,491