SEGMENT REPORTING (Summarized Information) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Segment Reporting Information [Line Items]
Property and equipment, net	$ 107,529	$ 83,303
Goodwill	1,882,020	1,611,535	$ 1,283,457
Total assets	3,853,986	3,312,957
Total liabilities	448,393	291,015
North America
Segment Reporting Information [Line Items]
Goodwill	1,738,360	1,573,088	1,253,494
International
Segment Reporting Information [Line Items]
Goodwill	143,660	38,447	$ 29,963
Operating Segments \| North America
Segment Reporting Information [Line Items]
Property and equipment, net	103,383	79,493
Goodwill	1,738,360	1,573,088
Total assets	3,615,258	3,253,035
Total liabilities	402,759	272,776
Operating Segments \| International
Segment Reporting Information [Line Items]
Property and equipment, net	4,146	3,810
Goodwill	143,660	38,447
Total assets	238,728	59,922
Total liabilities	$ 45,634	$ 18,239

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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