LEASES (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Lessee, Lease, Description [Line Items]
Operating Lease, Weighted Average Remaining Lease Term	6 years 3 months 18 days		6 years 3 months 18 days
Lease, Cost	$ 5,990	$ 6,546	$ 11,209	$ 12,435
Operating Lease, Payments	3,897	4,549	7,994	9,233
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	$ 0	$ 9,717	$ 2,035	$ 14,673
Operating Lease, Weighted Average Discount Rate, Percent	3.60%		3.60%
Leases, Operating [Abstract]
Operating Lease, Right-of-Use Asset	$ 45,689		$ 45,689		$ 51,533
Operating Lease, Liability, Current	12,905		12,905		13,572
Operating Lease, Liability, Noncurrent	36,347		36,347		39,076
Lessee, Operating Lease, Liability, Payment, Due [Abstract]
2020	7,459		7,459
2021	13,051		13,051
2022	9,474		9,474
2023	7,808		7,808
2024	6,355		6,355
After 2025	11,127		11,127
Total lease payments	55,274		55,274
Less: Imputed interest	(6,022)		(6,022)
Operating lease liabilities	$ 49,252		$ 49,252		$ 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