REGULATORY CAPITAL - Actual Capital Amounts and Ratios (Details) $ in Thousands	Dec. 31, 2024 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)
Pioneer Savings Bank
Tier 1 (leverage) capital, Amount
Actual	$ 231,140	$ 221,549	$ 208,576
Capital Adequacy Purposes	76,623	76,051	72,733
To be Well Capitalized Under Prompt Corrective Action	$ 95,779	$ 95,064	$ 90,916
Tier 1 (leverage) capital, Ratio
Actual (as a percent)	0.1207	0.1165	0.1147
Capital Adequacy Purposes (as a percent)	0.04	0.04	0.04
To be Well Capitalized Under Prompt Corrective Action (as a percent)	0.05	0.05	0.05
Common Tier 1, Amount
Actual	$ 231,140	$ 221,549	$ 208,576
Capital Adequacy Purposes	57,833	54,171	49,795
Capital Adequacy Purposes with Capital Buffer	89,962	84,265	77,459
To be Well Capitalized Under Prompt Corrective Action	$ 83,536	$ 78,246	$ 71,926
Common Tier 1, Ratio
Actual (as a percent)	0.1799	0.184	0.1885
Capital Adequacy Purposes (as a percent)	0.045	0.045	0.045
Capital Adequacy Purposes with Capital Buffer (as a percent)	0.07	0.07	0.07
To be Well Capitalized Under Prompt Corrective Action (as a percent)	0.065	0.065	0.065
Tier 1 capital, Amount
Actual	$ 231,140	$ 221,549	$ 208,576
Capital Adequacy Purposes	77,110	72,227	66,393
Capital Adequacy Purposes with Capital Buffer	109,240	102,322	94,057
To be Well Capitalized Under Prompt Corrective Action	$ 102,814	$ 96,303	$ 88,524
Tier 1 capital, Ratio
Actual (as a percent)	0.1799	0.184	0.1885
Capital Adequacy Purposes (as a percent)	0.06	0.06	0.06
Capital Adequacy Purposes with Capital Buffer (as a percent)	0.085	0.085	0.085
To be Well Capitalized Under Prompt Corrective Action (as a percent)	0.08	0.08	0.08
Total, Amount
Actual	$ 247,305	$ 236,706	$ 222,513
Capital Adequacy Purposes	102,814	96,303	88,524
Capital Adequacy Purposes with Capital Buffer	134,943	126,398	116,188
To be Well Capitalized Under Prompt Corrective Action	$ 128,517	$ 120,379	$ 110,655
Total, Ratio
Actual (as a percent)	0.1924	0.1966	0.2011
Capital Adequacy Purposes (as a percent)	0.08	0.08	0.08
Capital Adequacy Purposes with Capital Buffer (as a percent)	0.105	0.105	0.105
To be Well Capitalized Under Prompt Corrective Action (as a percent)	0.10	0.10	0.10
Pioneer Commercial Bank
Tier 1 (leverage) capital, Amount
Actual		$ 52,658	$ 46,284
Capital Adequacy Purposes		22,039	19,709
To be Well Capitalized Under Prompt Corrective Action		$ 27,549	$ 24,636
Tier 1 (leverage) capital, Ratio
Actual (as a percent)		0.0956	0.0939
Capital Adequacy Purposes (as a percent)		0.04	0.04
To be Well Capitalized Under Prompt Corrective Action (as a percent)		0.05	0.05
Common Tier 1, Amount
Actual		$ 52,658	$ 46,284
Capital Adequacy Purposes		4,224	3,800
Capital Adequacy Purposes with Capital Buffer		6,571	5,911
To be Well Capitalized Under Prompt Corrective Action		$ 6,102	$ 5,489
Common Tier 1, Ratio
Actual (as a percent)		0.5609	0.5481
Capital Adequacy Purposes (as a percent)		0.045	0.045
Capital Adequacy Purposes with Capital Buffer (as a percent)		0.07	0.07
To be Well Capitalized Under Prompt Corrective Action (as a percent)		0.065	0.065
Tier 1 capital, Amount
Actual		$ 52,658	$ 46,284
Capital Adequacy Purposes		5,633	5,067
Capital Adequacy Purposes with Capital Buffer		7,979	7,178
To be Well Capitalized Under Prompt Corrective Action		$ 7,510	$ 6,756
Tier 1 capital, Ratio
Actual (as a percent)		0.5609	0.5481
Capital Adequacy Purposes (as a percent)		0.06	0.06
Capital Adequacy Purposes with Capital Buffer (as a percent)		0.085	0.085
To be Well Capitalized Under Prompt Corrective Action (as a percent)		0.08	0.08
Total, Amount
Actual		$ 52,658	$ 46,284
Capital Adequacy Purposes		7,510	6,756
Capital Adequacy Purposes with Capital Buffer		9,857	8,867
To be Well Capitalized Under Prompt Corrective Action		$ 9,388	$ 8,444
Total, Ratio
Actual (as a percent)		0.5609	0.5481
Capital Adequacy Purposes (as a percent)		0.08	0.08
Capital Adequacy Purposes with Capital Buffer (as a percent)		0.105	0.105
To be Well Capitalized Under Prompt Corrective Action (as a percent)		0.10	0.10