REGULATORY CAPITAL - Actual Capital Amounts and Ratios (Details) $ in Thousands	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)
Pioneer Savings Bank
Tier 1 (leverage) capital, Amount
Actual	$ 185,892	$ 177,269
Capital Adequacy Purposes	78,405	70,894
To be Well Capitalized Under Prompt Corrective Action	$ 98,006	$ 88,617
Tier 1 (leverage) capital, Ratio
Actual (as a percent)	0.0948	0.1000
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	$ 185,892	$ 177,269
Capital Adequacy Purposes	46,515	47,422
Capital Adequacy Purposes with Capital Buffer	72,357	73,768
To be Well Capitalized Under Prompt Corrective Action	$ 67,189	$ 68,499
Common Tier 1, Ratio
Actual (as a percent)	0.1798	0.1682
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	6.50
Tier 1 capital, Amount
Actual	$ 185,892	$ 177,269
Capital Adequacy Purposes	62,021	63,230
Capital Adequacy Purposes with Capital Buffer	87,862	89,576
To be Well Capitalized Under Prompt Corrective Action	$ 82,694	$ 84,307
Tier 1 capital, Ratio
Actual (as a percent)	0.1798	0.1682
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	$ 198,932	$ 190,566
Capital Adequacy Purposes	82,694	84,307
Capital Adequacy Purposes with Capital Buffer	108,536	110,652
To be Well Capitalized Under Prompt Corrective Action	$ 103,368	$ 105,383
Total, Ratio
Actual (as a percent)	0.1925	0.1808
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	$ 39,264	$ 30,966
Capital Adequacy Purposes	20,532	16,442
To be Well Capitalized Under Prompt Corrective Action	$ 25,665	$ 20,553
Tier 1 (leverage) capital, Ratio
Actual (as a percent)	0.0765	0.0753
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	$ 39,264	$ 30,966
Capital Adequacy Purposes	4,370	3,702
Capital Adequacy Purposes with Capital Buffer	6,797	5,758
To be Well Capitalized Under Prompt Corrective Action	$ 6,312	$ 5,347
Common Tier 1, Ratio
Actual (as a percent)	0.4043	0.3765
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)	6.50	6.50
Tier 1 capital, Amount
Actual	$ 39,264	$ 30,966
Capital Adequacy Purposes	5,826	4,935
Capital Adequacy Purposes with Capital Buffer	8,254	6,992
To be Well Capitalized Under Prompt Corrective Action	$ 7,768	$ 6,580
Tier 1 capital, Ratio
Actual (as a percent)	0.4043	0.3765
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	$ 39,264	$ 30,966
Capital Adequacy Purposes	7,768	6,580
Capital Adequacy Purposes with Capital Buffer	10,196	8,637
To be Well Capitalized Under Prompt Corrective Action	$ 9,711	$ 8,226
Total, Ratio
Actual (as a percent)	0.4043	0.3765
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