SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Jun. 30, 2020	Sep. 30, 2021	Jun. 30, 2021	Dec. 31, 2020	Sep. 30, 2020	Dec. 31, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Impairment charges			$ 0
Adoption of the CECL Standard	$ 1,995,993,000	$ 1,645,986,000	$ 1,995,993,000	$ 1,986,663,000	$ 1,850,785,000	$ 1,759,955,000	$ 1,572,252,000
Argentina
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Foreign currency, gain recognized	1,400,000	1,000,000
Maximum | Argentina | Revenue Benchmark | Geographic concentration risk
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Concentration risk percentage (less than)			2.00%
Retained Earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Adoption of the CECL Standard	$ 1,756,820,000	$ 1,573,392,000	$ 1,756,820,000	$ 1,734,638,000	$ 1,643,825,000	$ 1,613,891,000	1,523,820,000
Cumulative Effect, Period of Adoption, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Adoption of the CECL Standard							(1,377,000)
Cumulative Effect, Period of Adoption, Adjustment | Retained Earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Adoption of the CECL Standard							(1,377,000)
Accounting Standards Update 2016-13 | Cumulative Effect, Period of Adoption, Adjustment | Retained Earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Adoption of the CECL Standard							$ (1,400,000)