Condensed Parent Company Only Financial Statements - Statements of Income (Details) - USD ($) $ in Thousands	3 Months Ended												12 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Interest income	$ 54,283	$ 48,286	$ 38,851	$ 34,996	$ 31,572	$ 28,339	$ 28,096	$ 28,860	$ 27,532	$ 27,100	$ 27,871	$ 26,972	$ 176,416	$ 116,867	$ 109,475
Interest expense	18,065	14,519	10,600	6,487	3,814	3,225	3,038	3,223	3,586	3,951	4,344	4,908	49,671	13,300	16,789
NET INTEREST INCOME	36,218	33,767	28,251	28,509	27,758	25,114	25,058	25,637	23,946	23,149	23,527	22,064	126,745	103,567	92,686
Income tax benefit	(3,939)	(578)	(3,267)	(2,442)	(3,602)	(2,358)	(3,288)	(3,487)	(3,529)	(3,096)	(3,153)	(2,747)	(10,226)	(12,735)	(12,525)
NET INCOME	$ 15,560	$ 2,409	$ 11,664	$ 9,604	$ 13,084	$ 9,351	$ 11,985	$ 12,749	$ 13,688	$ 11,458	$ 12,048	$ 9,986	39,237	47,169	47,180
Parent Company
Interest income													32	14	13
Interest expense													1,439	686	534
NET INTEREST INCOME													(1,407)	(672)	(521)
Dividends from Bank													48,000	31,000	12,000
Operating expenses													3,041	1,124	599
Income before income taxes and equity in undistributed income of the Bank													43,552	29,204	10,880
Income tax benefit													552	321	235
Income before equity in undistributed income of the Bank													44,104	29,525	11,115
Equity in undistributed income of the Bank													(4,867)	17,644	36,065
NET INCOME													39,237	47,169	47,180
COMPREHENSIVE INCOME													$ 34,799	$ 26,800	$ 45,615