LOANS ISSUED - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Financing Receivable, Past Due [Line Items]
Weighted average interest rate, period term	25 years
Liability arising from continuing involvement	$ 503,705	$ 521,885
Loans issued (including $188,445 and $147,440 to related parties)	1,595,435	1,381,715
Rights of claim for purchased retail loans	1,670,550	1,425,334
Interest receivable	$ 13,385	$ 8,327
Percentage of agreements with significant increase in credit risk exceeding probability of default threshold	20.00%
Mortgage loans
Financing Receivable, Past Due [Line Items]
Average Interest Rate	11.40%	10.30%
Rights of claim for purchased retail loans	$ 924,530	$ 741,312
Mortgage loans \| State mortgage program "7-20-25"
Financing Receivable, Past Due [Line Items]
Average Interest Rate	7.00%
Percentage of maximum down payment	20.00%
Weighted average interest rate, transferred to program operator	4.00%
Weighted average interest rate, transferred to program operator, retained	3.00%
Loans issued (including $188,445 and $147,440 to related parties)	$ 511,851	532,389
Right of claim for purchased retail loans
Financing Receivable, Past Due [Line Items]
Rights of claim for purchased retail loans	$ 183,635	$ 146,152

Financing Receivable, Excluding Accrued Interest, Percentage Of Maximum Down Payment

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Financing Receivable, Excluding Accrued Interest, Weighted Average Interest Rate

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- Definition

Financing Receivable, Weighted Average Interest Rate, Period Term

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- Definition

Financing Receivable, Weighted Average Interest Rate, Transferred to Program Operator

+ References

No definition available.

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- Definition

Financing Receivable, Weighted Average Interest Rate, Transferred to Program Operator, Retained

+ References

No definition available.

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- Definition

Other Liabilities, Continuing Involvement

+ References

No definition available.

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- Definition

Percentage Of Agreements With Significant Increase in Credit Risk Exceeding Probability Of Default Threshold

+ References

No definition available.

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- Definition

Amortized cost excluding accrued interest, after allowance for credit loss, of financing receivable. Excludes net investment in lease.

+ References

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- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 14
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-14

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- Definition

Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 946
-SubTopic 310
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (a)
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-Topic 210
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-Subparagraph (SX 210.5-02(3)(a)(4))
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