SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Oct. 01, 2022	Sep. 30, 2022	Sep. 30, 2021
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Settlement assets	$ 11,786	$ 8,034		$ 7,540	$ 4,768
Settlement obligations	11,786			7,540
Inventories	4,960			4,121
Revenue from acquisitions	3,625
Net income from acquisitions	971
Contract assets from contracts with customer	11,676			9,716
Capitalized contract costs	4,339			4,185
Commissions related to capitalized contract costs	183	$ 167
Long-term debt, less current portion and debt issuance costs, net	377,206			287,020
Additional paid-in capital	228,016			241,958
Accumulated deficit	$ (12,373)			$ (23,582)
Accounting Standards Update 2020-06 | Cumulative Effect, Period of Adoption, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Long-term debt, less current portion and debt issuance costs, net			$ 11,933
Additional paid-in capital			(23,382)
Accumulated deficit			$ 11,449
Maximum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Maturity period of settlement assets and obligations (in years)	4 days
Minimum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Maturity period of settlement assets and obligations (in years)	1 day