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COMMITMENTS AND CONTINGENCIES - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Mar. 31, 2021
Gain Contingencies [Line Items] |  |  |
Lease expense | $ 0.3 | $ 0.3 | $ 0.2
Operating lease asset | 1.8 | 1.8 |
Operating lease liability | $ 2.8 | $ 2.7 |
Remaining lease term | 9 years 6 months |  |
Discount rate | 7.21% |  |
Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration] | Other liabilities | Other liabilities |
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] | Other assets | Other assets |
Letters of credit issued and outstanding |  |  |
Gain Contingencies [Line Items] |  |  |
Expiring letters of credit | $ 0.9 |  |
February 2023 | Letters of credit issued and outstanding |  |  |
Gain Contingencies [Line Items] |  |  |
Expiring letters of credit | 0.4 |  |
April 2023 | Letters of credit issued and outstanding |  |  |
Gain Contingencies [Line Items] |  |  |
Expiring letters of credit | 0.2 |  |
August 2023 | Letters of credit issued and outstanding |  |  |
Gain Contingencies [Line Items] |  |  |
Expiring letters of credit | $ 0.3 |  |

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- Definition Remaining lease term of operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918673-209980 + Details
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