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OTHER INVESTMENTS (Schedule of Receivables) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Jan. 01, 2020	Dec. 31, 2019	Mar. 06, 2018	Jul. 29, 2016
Schedule of Investments [Line Items]
Other investments, gross	$ 1,459,368
Allowance for credit losses	(144,466)	$ (67,841)		$ (28,785)
Total other investments	469,884	467,442	$ 412,540	419,228
Other Investment Receivables [Member]
Schedule of Investments [Line Items]
Other investments, gross	539,278	498,899
Allowance for credit losses	(69,394)	(31,457)		$ (6,688)
Total other investments	469,884	467,442
Other Investment Note Due 2022
Schedule of Investments [Line Items]
Other investments, gross	$ 81,900
Maturity year	2022
Other Investment Note Due 2024 [Member]
Schedule of Investments [Line Items]
Other investments, gross	$ 90,752	83,636
Maturity year	2024
Other Investment Note Due 2024 First Loan [Member] \| Genesis Healthcare [Member]
Schedule of Investments [Line Items]
Total other investments	$ 71,400
Interest rate	14.00%
Investment Maturity Date	Jan. 01, 2024					Jul. 29, 2020
Other Investment Note Due 2024 Second Loan [Member] \| Genesis Healthcare [Member]
Schedule of Investments [Line Items]
Total other investments	$ 19,400
Interest rate	10.00%
Investment Maturity Date	Jan. 01, 2024				Jul. 29, 2020
Other Investment Note Due 2024 Through 2025 [Member]
Schedule of Investments [Line Items]
Other investments, gross	$ 55,791	56,987
Other Investment Note Due 2023 [Member]
Schedule of Investments [Line Items]
Other investments, gross	40,200
Other Investment Note Due 2023 Interest At 12% [Member]
Schedule of Investments [Line Items]
Other investments, gross	$ 40,232	49,973
Interest rate	12.00%
Maturity year	2023
Other Investments Note Due 2030 [Member]
Schedule of Investments [Line Items]
Other investments, gross	$ 201,613	147,148
Interest rate	7.00%
Maturity year	2030
Other investment notes outstanding [Member]
Schedule of Investments [Line Items]
Other investments, gross	$ 150,890	$ 161,155
Minimum [Member] \| Other Investment Note Due 2024 Through 2025 [Member]
Schedule of Investments [Line Items]
Maturity year	2024
Minimum [Member] \| Other investment notes outstanding [Member]
Schedule of Investments [Line Items]
Maturity year	2022
Maximum [Member] \| Other Investment Note Due 2024 Through 2025 [Member]
Schedule of Investments [Line Items]
Maturity year	2025
Maximum [Member] \| Other investment notes outstanding [Member]
Schedule of Investments [Line Items]
Maturity year	2031
Weighted Average [Member] \| Other Investment Note Due 2024 [Member]
Schedule of Investments [Line Items]
Interest rate	13.15%
Weighted Average [Member] \| Other Investment Note Due 2024 Through 2025 [Member]
Schedule of Investments [Line Items]
Interest rate	8.12%
Weighted Average [Member] \| Other investment notes outstanding [Member]
Schedule of Investments [Line Items]
Interest rate	8.46%