CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND STATEMENTS OF OTHER COMPREHENSIVE INCOME (Unaudited) (Parenthetical)) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Fee and commission income (including $20,022 and $61,149 from related parties)	$ 111,703	$ 83,157	$ 210,406	$ 172,603
Interest income (including $9,731 and $7,392 from related parties)	213,063	58,999	362,412	107,562
Fee and commission expense (including $81 and $196 from related parties)	31,614	18,439	60,298	41,754
General and administrative expense (including $5,229 and $0 from related parties)	29,630	12,898	54,105	24,516
Related party
General and administrative expense (including $5,229 and $0 from related parties)	5,229	0	7,561	0
Related party
Fee and commission income (including $20,022 and $61,149 from related parties)	20,022	61,149	35,917	136,749
Interest income (including $9,731 and $7,392 from related parties)	9,731	7,392	15,084	10,920
Fee and commission expense (including $81 and $196 from related parties)	$ 81	$ 196	$ 179	$ 353