ALLOWANCE FOR CREDIT LOSSES (Schedule by segment balance by vintage and credit quality indicator) (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
2021	$ 111,912
2020	110,674
2019	34,467
2018	196,263
2017	46,377
2016	112,188
2015 & older	587,617
Revolving Loans	259,870
Total Balance at December 31, 2021	1,459,368
Mortgage Receivable [Member]
2021	89,196
2020	110,674
2019	5,034
2018	44,308
2017	46,377
2016	39,713
2015 & older	573,385
Total Balance at December 31, 2021	908,687	$ 918,558
Mortgage Receivable [Member] | Internal Credit Rating One [Member]
2015 & older	65,475
Total Balance at December 31, 2021	65,475
Mortgage Receivable [Member] | Internal Credit Rating Two [Member]
2020	21,325
Total Balance at December 31, 2021	21,325
Mortgage Receivable [Member] | Internal Credit Rating Three [Member]
2021	72,420
Total Balance at December 31, 2021	72,420
Mortgage Receivable [Member] | Internal Credit Rating Four [Member]
2021	16,776
2020	89,349
2019	5,034
2018	44,308
2017	46,377
2016	39,713
2015 & older	390,681
Total Balance at December 31, 2021	632,238
Mortgage Receivable [Member] | Internal Credit Rating Five [Member]
2015 & older	7,090
Total Balance at December 31, 2021	7,090
Mortgage Receivable [Member] | Internal Credit Rating Six [Member]
2015 & older	110,139
Total Balance at December 31, 2021	110,139
Direct Financing Receivable [Member]
2015 & older	11,403
Total Balance at December 31, 2021	11,403
Direct Financing Receivable [Member] | Internal Credit Rating Three [Member] | Finance Leases Portfolio Segment [Member]
2015 & older	11,403
Total Balance at December 31, 2021	11,403
Other Investment Receivables [Member]
2021	22,716
2019	29,433
2018	151,955
2016	72,475
2015 & older	2,829
Revolving Loans	259,870
Total Balance at December 31, 2021	539,278	$ 498,899
Other Investment Receivables [Member] | Internal Credit Rating Two [Member]
Revolving Loans	21,500
Total Balance at December 31, 2021	21,500
Other Investment Receivables [Member] | Internal Credit Rating Three [Member]
2019	18,574
2018	27,017
2015 & older	2,829
Revolving Loans	238,370
Total Balance at December 31, 2021	286,790
Other Investment Receivables [Member] | Internal Credit Rating Four [Member]
2021	2,690
2019	10,859
2018	90,752
2016	41,232
Total Balance at December 31, 2021	145,533
Other Investment Receivables [Member] | Internal Credit Rating Five [Member]
2018	29,723
Total Balance at December 31, 2021	29,723
Other Investment Receivables [Member] | Internal Credit Rating Six [Member]
2021	20,026
2018	4,463
2016	31,243
Total Balance at December 31, 2021	$ 55,732