NET LOANS RECEIVABLE - Risk (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Term Loans Amortized Cost Basis by Origination Year
Ending balance	$ 1,726,970		$ 1,671,560
Current Period Gross Charge-offs
Total	83	$ 56
Commercial
Term Loans Amortized Cost Basis by Origination Year
Ending balance	789,541		761,068
Current Period Gross Charge-offs
Total	70
Commercial \| Real estate
Term Loans Amortized Cost Basis by Origination Year
2026/2025	13,196		58,001
2024 Transition Period			13,931
2025/2024	56,591		49,810
2024 Transition Period	13,855
2024/2023	49,652		44,172
2023/2022	40,700		55,075
Prior	282,627		243,638
Revolving Loans Amortized Cost Basis	1,287		1,822
Ending balance	457,908		466,449
Current Period Gross Charge-offs
2023/2022			69
Total			69
Commercial \| Real estate \| Pass
Term Loans Amortized Cost Basis by Origination Year
2026/2025	13,196		58,001
2024 Transition Period			13,931
2025/2024	56,591		49,810
2024 Transition Period	13,855
2024/2023	49,652		43,497
2023/2022	40,031		53,003
Prior	273,729		221,781
Revolving Loans Amortized Cost Basis	836		804
Ending balance	447,890		440,827
Commercial \| Real estate \| Special Mention
Term Loans Amortized Cost Basis by Origination Year
2024/2023			451
2023/2022	447
Prior	712		5,571
Ending balance	1,159		6,022
Commercial \| Real estate \| Substandard
Term Loans Amortized Cost Basis by Origination Year
2024/2023			224
2023/2022	222		2,072
Prior	7,345		15,442
Revolving Loans Amortized Cost Basis	451		1,018
Ending balance	8,018		18,756
Commercial \| Real estate \| Doubtful
Term Loans Amortized Cost Basis by Origination Year
Prior	841		844
Ending balance	841		844
Commercial \| Commercial and industrial
Term Loans Amortized Cost Basis by Origination Year
2026/2025	1,323		31,169
2024 Transition Period			9,030
2025/2024	29,328		12,433
2024 Transition Period	8,677
2024/2023	10,947		3,588
2023/2022	3,214		2,545
Prior	12,823		10,894
Revolving Loans Amortized Cost Basis	63,955		55,236
Ending balance	130,267		124,895
Current Period Gross Charge-offs
2024/2023	70
Prior			27
Total	70		27
Commercial \| Commercial and industrial \| Pass
Term Loans Amortized Cost Basis by Origination Year
2026/2025	1,323		31,169
2024 Transition Period			9,030
2025/2024	29,328		12,433
2024 Transition Period	8,677
2024/2023	10,947		3,588
2023/2022	3,214		2,533
Prior	9,258		7,307
Revolving Loans Amortized Cost Basis	63,939		55,233
Ending balance	126,686		121,293
Commercial \| Commercial and industrial \| Special Mention
Term Loans Amortized Cost Basis by Origination Year
Prior			1,382
Ending balance			1,382
Commercial \| Commercial and industrial \| Substandard
Term Loans Amortized Cost Basis by Origination Year
2023/2022			12
Prior	3,496		2,130
Revolving Loans Amortized Cost Basis	16		3
Ending balance	3,512		2,145
Commercial \| Commercial and industrial \| Doubtful
Term Loans Amortized Cost Basis by Origination Year
Prior	69		75
Ending balance	69		75
Commercial \| Construction
Term Loans Amortized Cost Basis by Origination Year
2026/2025	18,629		34,766
2024 Transition Period			49,481
2025/2024	41,735		46,500
2024 Transition Period	54,478
2024/2023	48,375		5,237
2023/2022	5,113		18,007
Prior	33,036		15,733
Ending balance	201,366		169,724
Commercial \| Construction \| Pass
Term Loans Amortized Cost Basis by Origination Year
2026/2025	18,629		34,766
2024 Transition Period			49,481
2025/2024	41,735		46,500
2024 Transition Period	54,478
2024/2023	48,375		5,237
2023/2022	5,113		18,007
Prior	33,036		15,733
Ending balance	201,366		169,724
Residential mortgages
Term Loans Amortized Cost Basis by Origination Year
2026/2025	11,861		144,861
2024 Transition Period			88,510
2025/2024	176,809		172,519
2024 Transition Period	86,737
2024/2023	165,516		180,530
2023/2022	177,692		38,595
Prior	202,044		168,523
Revolving Loans Amortized Cost Basis	116		119
Ending balance	820,775		793,657
Current Period Gross Charge-offs
2024/2023			4
Total		4	4
Residential mortgages \| Performing
Term Loans Amortized Cost Basis by Origination Year
2026/2025	11,861		144,861
2024 Transition Period			88,510
2025/2024	176,809		172,024
2024 Transition Period	86,737
2024/2023	165,023		179,426
2023/2022	176,029		38,112
Prior	199,889		166,745
Revolving Loans Amortized Cost Basis	116		119
Ending balance	816,464		789,797
Residential mortgages \| Non-performing
Term Loans Amortized Cost Basis by Origination Year
2025/2024			495
2024/2023	493		1,104
2023/2022	1,663		483
Prior	2,155		1,778
Ending balance	4,311		3,860
Home equity loans and lines of credit
Term Loans Amortized Cost Basis by Origination Year
2026/2025	211		2,791
2024 Transition Period			2,214
2025/2024	2,755		5,178
2024 Transition Period	2,172
2024/2023	4,686		5,141
2023/2022	4,960		8,088
Prior	21,315		14,441
Revolving Loans Amortized Cost Basis	58,904		57,204
Revolving Loans Converted to Term	2,489		2,572
Ending balance	97,492		97,629
Current Period Gross Charge-offs
Prior			23
Total		23	23
Home equity loans and lines of credit \| Performing
Term Loans Amortized Cost Basis by Origination Year
2026/2025	211		2,791
2024 Transition Period			2,214
2025/2024	2,755		5,178
2024 Transition Period	2,172
2024/2023	4,686		5,141
2023/2022	4,960		8,088
Prior	21,189		14,306
Revolving Loans Amortized Cost Basis	57,868		56,032
Revolving Loans Converted to Term	2,489		2,572
Ending balance	96,330		96,322
Home equity loans and lines of credit \| Non-performing
Term Loans Amortized Cost Basis by Origination Year
Prior	126		135
Revolving Loans Amortized Cost Basis	1,036		1,172
Ending balance	1,162		1,307
Consumer
Term Loans Amortized Cost Basis by Origination Year
2026/2025	261		1,595
2024 Transition Period			4,265
2025/2024	1,582		3,317
2024 Transition Period	4,036
2024/2023	3,106		303
2023/2022	246		25
Prior	2,883		2,910
Revolving Loans Amortized Cost Basis	7,048		6,791
Ending balance	19,162		19,206
Current Period Gross Charge-offs
2026/2025	13		98
2024/2023			6
2023/2022			4
Prior			1
Total	13	$ 29	109
Consumer \| Performing
Term Loans Amortized Cost Basis by Origination Year
2026/2025	261		1,595
2024 Transition Period			4,265
2025/2024	1,582		3,317
2024 Transition Period	4,036
2024/2023	3,106		303
2023/2022	246		25
Prior	2,883		2,910
Revolving Loans Amortized Cost Basis	7,048		6,791
Ending balance	$ 19,162		$ 19,206

Pioneer Bancorp, Inc./MD 10-Q