ALLOWANCE FOR CREDIT LOSSES, Aging Analysis (Details) - USD ($) $ in Thousands	Sep. 30, 2022		Mar. 31, 2022
Age of the Recorded Notes Receivable Balance Disaggregated Based on Internally Assigned CQR [Abstract]
Billed	$ 8,263		$ 7,063
Unbilled	124,824		108,627
Total	133,087	[1]	115,690	[2]
Notes Receivable [Member]
Age of the Recorded Notes Receivable Balance Disaggregated Based on Internally Assigned CQR [Abstract]
Billed	6,413		5,554
Unbilled	77,509		72,235
Total	83,922		77,789
Lease Receivables [Member]
Age of the Recorded Notes Receivable Balance Disaggregated Based on Internally Assigned CQR [Abstract]
Billed	1,850		1,509
Unbilled	47,315		36,392
Total	49,165		37,901
Past Due [Member]
Age of the Recorded Notes Receivable Balance Disaggregated Based on Internally Assigned CQR [Abstract]
Total	1,735		1,117
Past Due [Member] | Notes Receivable [Member]
Age of the Recorded Notes Receivable Balance Disaggregated Based on Internally Assigned CQR [Abstract]
Total	790		247
Past Due [Member] | Lease Receivables [Member]
Age of the Recorded Notes Receivable Balance Disaggregated Based on Internally Assigned CQR [Abstract]
Total	945		870
31 to 60 Days Past Due [Member]
Age of the Recorded Notes Receivable Balance Disaggregated Based on Internally Assigned CQR [Abstract]
Total	508		302
31 to 60 Days Past Due [Member] | Notes Receivable [Member]
Age of the Recorded Notes Receivable Balance Disaggregated Based on Internally Assigned CQR [Abstract]
Total	268		187
31 to 60 Days Past Due [Member] | Lease Receivables [Member]
Age of the Recorded Notes Receivable Balance Disaggregated Based on Internally Assigned CQR [Abstract]
Total	240		115
61 to 90 Days Past Due [Member]
Age of the Recorded Notes Receivable Balance Disaggregated Based on Internally Assigned CQR [Abstract]
Total	579		362
61 to 90 Days Past Due [Member] | Notes Receivable [Member]
Age of the Recorded Notes Receivable Balance Disaggregated Based on Internally Assigned CQR [Abstract]
Total	425		37
61 to 90 Days Past Due [Member] | Lease Receivables [Member]
Age of the Recorded Notes Receivable Balance Disaggregated Based on Internally Assigned CQR [Abstract]
Total	154		325
> 90 Days Past Due [Member]
Age of the Recorded Notes Receivable Balance Disaggregated Based on Internally Assigned CQR [Abstract]
Total	648		453
> 90 Days Past Due [Member] | Notes Receivable [Member]
Age of the Recorded Notes Receivable Balance Disaggregated Based on Internally Assigned CQR [Abstract]
Total	97		23
> 90 Days Past Due [Member] | Lease Receivables [Member]
Age of the Recorded Notes Receivable Balance Disaggregated Based on Internally Assigned CQR [Abstract]
Total	551		430
Current [Member]
Age of the Recorded Notes Receivable Balance Disaggregated Based on Internally Assigned CQR [Abstract]
Total	6,528		5,946
Current [Member] | Notes Receivable [Member]
Age of the Recorded Notes Receivable Balance Disaggregated Based on Internally Assigned CQR [Abstract]
Total	5,623		5,307
Current [Member] | Lease Receivables [Member]
Age of the Recorded Notes Receivable Balance Disaggregated Based on Internally Assigned CQR [Abstract]
Total	$ 905		$ 639

[1] Unguaranteed residual values of $4,830 thousand that we retained after selling the related lease receivable is excluded from amortized cost.

[2] Unguaranteed residual values of $6,424 thousand that we retained after selling the related lease receivable is excluded from amortized cost.