Condensed Parent Company Only Financial Statements - Cash Flows (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
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
NET CASH PROVIDED BY OPERATING ACTIVITIES													81,557	70,268	62,023
NET CASH USED IN INVESTING ACTIVITIES													(285,112)	(245,735)	(213,405)
Dividends on common stock													10,378	9,526	8,632
NET CASH USED IN FINANCING ACTIVITIES													335,510	182,392	118,552
Net increase in cash and cash equivalents													131,955	6,925	(32,830)
Cash and cash equivalents at beginning of period				60,904									60,904
CASH AND CASH EQUIVALENTS AT END OF YEAR	192,859				60,904								192,859	60,904
Parent Company
Net Income													58,578	50,182	39,237
Equity in undistributed income of the Bank													(44,471)	(36,330)	4,867
Other adjustments, net													753	56	388
NET CASH PROVIDED BY OPERATING ACTIVITIES													14,860	13,908	44,492
Investments in Bank subsidiaries															(31,382)
NET CASH USED IN INVESTING ACTIVITIES															(31,382)
Dividends on common stock													(10,378)	(9,526)	(8,632)
Payments to acquire treasury stock														(3,857)
NET CASH USED IN FINANCING ACTIVITIES													(10,378)	(13,383)	(8,632)
Net increase in cash and cash equivalents													4,482	525	4,478
Cash and cash equivalents at beginning of period				$ 13,967				$ 13,442				$ 8,964	13,967	13,442	8,964
CASH AND CASH EQUIVALENTS AT END OF YEAR	$ 18,449				$ 13,967				$ 13,442				$ 18,449	$ 13,967	$ 13,442