LEASES - Other Information Related to Leases (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Cash paid for amounts included in measurement of lease liabilities
Operating cash flows from operating leases	$ 4,657	$ 6,025	$ 15,797	$ 18,210
Operating cash flows from finance leases	82	85	247	305
Financing cash flows from finance leases	71	62	205	201
Right-of-use assets obtained in exchange for lease obligations
Operating leases	382	3,411	1,969	11,192
Finance leases	$ 3	$ 0	$ 48	$ 290