CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Treasury Stock	Unearned Common Stock held by ESOP	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Total
Beginning balance at Jun. 30, 2020	$ 467	$ 42,932	$ (3,710)		$ 56,600	$ 76	$ 96,365
Beginning balance (in shares) at Jun. 30, 2020	14,628,530
Increase (Decrease) in Stockholders' Equity
Net income					3,779		3,779
Regular cash dividend paid					(1,886)		(1,886)
Other comprehensive loss						(140)	(140)
Purchase of treasury stock			(49)				(49)
Purchase of treasury stock (in shares)	(5,156)
William Penn, MHC shares sold in public offering, net of offering costs	$ (315)	129,176					128,861
William Penn, MHC shares sold in public offering, net of offering costs (in shares)	12,640,035
Stock purchased and retired (in shares)	(12,092,669)
Fractional shares and other adjustments resulting from conversion of existing shares at 3.2585 exchange ratio (in shares)	(174)
Treasury stock retired		(3,759)	$ 3,759
Purchase of unearned common stock held by employee stock ownership plan				$ (10,112)			(10,112)
ESOP shares committed to be released				108			108
Ending balance at Jun. 30, 2021	$ 152	168,349		(10,004)	58,493	(64)	$ 216,926
Ending balance (in shares) at Jun. 30, 2021	15,170,566						15,170,566
Increase (Decrease) in Stockholders' Equity
Net income					4,237		$ 4,237
Special cash dividend paid					(4,288)		(4,288)
Regular cash dividend paid					(855)		(855)
Other comprehensive loss						(15,293)	(15,293)
Shares issued under the William Penn Bancorporation 2022 Equity Incentive Plan	$ 5	(5)
Shares issued under the William Penn Bancorporation 2022 Equity Incentive Plan (in shares)	492,960
Restricted stock expense		147					147
Stock option expense		102					102
Stock purchased and retired	$ (8)	(9,072)					(9,080)
Stock purchased and retired (in shares)	(766,936)
ESOP shares committed to be released		25		405			430
Ending balance at Jun. 30, 2022	$ 149	$ 159,546		$ (9,599)	$ 57,587	$ (15,357)	$ 192,326
Ending balance (in shares) at Jun. 30, 2022	14,896,590						14,896,590