Investment Securities (Tables)

12 Months Ended

May 31, 2026

Investments [Abstract]

Schedule of Composition of Investments in Trading Securities

The following table presents the composition of our investment debt securities portfolio and the fair value as of May 31, 2026 and 2025.

Table 3.1: Investments in Debt Securities, at Fair Value

	May 31,
(Dollars in thousands)	2026		2025
Debt securities, at fair value:
Corporate debt securities	$	30,765	$	107,957
Commercial agency MBS(1)	379		525
U.S. state and municipality debt securities	—		1,049
Other ABS(2)	—		4,132
Total debt securities trading, at fair value	$	31,144	$	113,663

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(1)Consists of securities backed by the Federal National Mortgage Association (“Fannie Mae”) and the Federal Home Loan Mortgage Corporation (“Freddie Mac”).

(2)Consists primarily of securities backed by auto lease loans, equipment-backed loans, auto loans and credit card loans.