REGULATORY CAPITAL - Actual Capital Amounts and Ratios (Details) $ in Thousands	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)
Pioneer Savings Bank
Tier 1 (leverage) capital, Amount
Actual	$ 221,549	$ 208,576
Capital Adequacy Purposes	76,051	72,733
To be Well Capitalized Under Prompt Corrective Action	$ 95,064	$ 90,916
Tier 1 (leverage) capital, Ratio
Actual (as a percent)	0.1165	0.1147
Capital Adequacy Purposes (as a percent)	0.0400	0.0400
To be Well Capitalized Under Prompt Corrective Action (as a percent)	0.0500	0.0500
Common Tier 1, Amount
Actual	$ 221,549	$ 208,576
Capital Adequacy Purposes	54,171	49,795
Capital Adequacy Purposes with Capital Buffer	84,265	77,459
To be Well Capitalized Under Prompt Corrective Action	$ 78,246	$ 71,926
Common Tier 1, Ratio
Actual (as a percent)	0.1840	0.1885
Capital Adequacy Purposes (as a percent)	0.0450	0.0450
Capital Adequacy Purposes with Capital Buffer (as a percent)	0.0700	0.0700
To be Well Capitalized Under Prompt Corrective Action (as a percent)	0.0650	0.0650
Tier 1 capital, Amount
Actual	$ 221,549	$ 208,576
Capital Adequacy Purposes	72,227	66,393
Capital Adequacy Purposes with Capital Buffer	102,322	94,057
To be Well Capitalized Under Prompt Corrective Action	$ 96,303	$ 88,524
Tier 1 capital, Ratio
Actual (as a percent)	0.1840	0.1885
Capital Adequacy Purposes (as a percent)	0.0600	0.0600
Capital Adequacy Purposes with Capital Buffer (as a percent)	0.0850	0.0850
To be Well Capitalized Under Prompt Corrective Action (as a percent)	0.0800	0.0800
Total, Amount
Actual	$ 236,706	$ 222,513
Capital Adequacy Purposes	96,303	88,524
Capital Adequacy Purposes with Capital Buffer	126,398	116,188
To be Well Capitalized Under Prompt Corrective Action	$ 120,379	$ 110,655
Total, Ratio
Actual (as a percent)	0.1966	0.2011
Capital Adequacy Purposes (as a percent)	0.0800	0.0800
Capital Adequacy Purposes with Capital Buffer (as a percent)	0.1050	0.1050
To be Well Capitalized Under Prompt Corrective Action (as a percent)	0.1000	0.1000
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)	0.0400	0.0400
To be Well Capitalized Under Prompt Corrective Action (as a percent)	0.0500	0.0500
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)	0.0450	0.0450
Capital Adequacy Purposes with Capital Buffer (as a percent)	0.0700	0.0700
To be Well Capitalized Under Prompt Corrective Action (as a percent)	0.0650	0.0650
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)	0.0600	0.0600
Capital Adequacy Purposes with Capital Buffer (as a percent)	0.0850	0.0850
To be Well Capitalized Under Prompt Corrective Action (as a percent)	0.0800	0.0800
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)	0.0800	0.0800
Capital Adequacy Purposes with Capital Buffer (as a percent)	0.1050	0.1050
To be Well Capitalized Under Prompt Corrective Action (as a percent)	0.1000	0.1000