LEASES (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Lessee, Lease, Description [Line Items]
Operating Lease, Weighted Average Remaining Lease Term	7 years 1 month 6 days		7 years 1 month 6 days
Lease, Cost	$ 5,655	$ 6,290	$ 17,665	$ 18,725
Operating Lease, Payments	3,733	4,528	11,727	13,761
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	$ 214	$ 1,550	$ 2,249	$ 16,223
Operating Lease, Weighted Average Discount Rate, Percent	3.50%		3.50%
Leases, Operating [Abstract]
Operating Lease, Right-of-Use Asset	$ 46,626		$ 46,626		$ 51,533
Operating Lease, Liability, Current	12,821		12,821		13,572
Operating Lease, Liability, Noncurrent	36,949		36,949		39,076
Lessee, Operating Lease, Liability, Payment, Due [Abstract]
2020	3,218		3,218
2021	13,619		13,619
2022	9,962		9,962
2023	8,233		8,233
2024	6,754		6,754
After 2025	14,544		14,544
Total lease payments	56,330		56,330
Less: Imputed interest	(6,560)		(6,560)
Operating lease liabilities	$ 49,770		$ 49,770		$ 52,648
Minimum [Member]
Lessee, Lease, Description [Line Items]
Lessee, Operating Lease, Renewal Term	1 year		1 year
Maximum
Lessee, Lease, Description [Line Items]
Lessee, Operating Lease, Renewal Term	11 years		11 years