OTHER ASSETS (Narrative) (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 expense	$ 40,700	$ 36,600	$ 75,800	$ 74,200
Sublease income	1,200	1,300	2,600	1,900
Operating cash flows from operating leases			72,177	61,597
Operating lease ROU assets	603,876		603,876		$ 656,472
Present value of lease liabilities	666,142		666,142
Parent Company
Lessee, Lease, Description [Line Items]
Operating cash flows from operating leases			2,000	1,900
Operating lease ROU assets	10,800	15,200	10,800	15,200
Present value of lease liabilities	$ 10,800	$ 15,200	$ 10,800	$ 15,200
Minimum
Lessee, Lease, Description [Line Items]
Renewal term	1 year		1 year
Maximum
Lessee, Lease, Description [Line Items]
Renewal term	5 years		5 years