Condensed Parent Company Only Financial Statements - Statements of Income (Details) - USD ($) $ in Thousands	3 Months Ended												12 Months Ended
	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023
Interest income	$ 70,638	$ 69,925	$ 69,424	$ 67,378	$ 64,667	$ 64,025	$ 61,576	$ 58,107	$ 54,283	$ 48,286	$ 38,851	$ 34,996	$ 277,365	$ 248,375	$ 176,416
Interest expense	30,305	30,446	31,281	30,717	29,572	29,516	27,090	22,714	18,065	14,519	10,600	6,487	122,749	108,892	49,671
Net interest expense	40,333	39,479	38,143	36,661	35,095	34,509	34,486	35,393	36,218	33,767	28,251	28,509	154,616	139,483	126,745
Income tax (expense) benefit	(3,351)	(4,139)	(4,547)	(3,379)	(3,430)	(2,837)	(3,173)	(3,488)	(3,939)	(578)	(3,267)	(2,442)	(15,416)	(12,928)	(10,226)
NET INCOME	$ 15,786	$ 15,683	$ 14,653	$ 12,456	$ 13,530	$ 11,307	$ 12,193	$ 13,152	$ 15,560	$ 2,409	$ 11,664	$ 9,604	58,578	50,182	39,237
Parent Company
Interest income													37	41	32
Interest expense													1,628	1,742	1,439
Net interest expense													(1,591)	(1,701)	(1,407)
Dividends from Bank													17,000	16,000	48,000
Operating expenses													1,248	1,018	3,041
Income before income taxes and equity in undistributed income of the Bank													14,161	13,281	43,552
Income tax (expense) benefit													(54)	571	552
Income before equity in undistributed income of the Bank													14,107	13,852	44,104
Equity in undistributed income of the Bank													44,471	36,330	(4,867)
NET INCOME													58,578	50,182	39,237
COMPREHENSIVE INCOME													$ 64,655	$ 54,652	$ 34,799