LOANS HELD FOR INVESTMENT, NET - Past Due Status (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Past Due, Financial Instrument [Abstract]
Total	$ 10,725,269	$ 10,869,328
Total Past Due
Past Due, Financial Instrument [Abstract]
Total	113,145	91,122
30 to 59 Days Past Due
Past Due, Financial Instrument [Abstract]
Total	13,313	10,330
60 to 89 Days Past Due
Past Due, Financial Instrument [Abstract]
Total	27,778	31,313
90 days or more past due
Past Due, Financial Instrument [Abstract]
Total	0	0
Non-Accrual
Past Due, Financial Instrument [Abstract]
Total	72,054	49,479
Current
Past Due, Financial Instrument [Abstract]
Total	10,612,124	10,778,206
Business Loans
Past Due, Financial Instrument [Abstract]
Total	3,062,622	2,725,726
Business Loans \| Total Past Due
Past Due, Financial Instrument [Abstract]
Total	26,295	28,450
Business Loans \| 30 to 59 Days Past Due
Past Due, Financial Instrument [Abstract]
Total	5,119	3,385
Business Loans \| 60 to 89 Days Past Due
Past Due, Financial Instrument [Abstract]
Total	171	2,441
Business Loans \| Non-Accrual
Past Due, Financial Instrument [Abstract]
Total	21,005	22,624
Business Loans \| Current
Past Due, Financial Instrument [Abstract]
Total	3,036,327	2,697,276
One-to-Four Family Residential and Cooperative/Condominium Apartment
Past Due, Financial Instrument [Abstract]
Total	1,030,823	951,528
One-to-Four Family Residential and Cooperative/Condominium Apartment \| Total Past Due
Past Due, Financial Instrument [Abstract]
Total	3,105	6,403
One-to-Four Family Residential and Cooperative/Condominium Apartment \| 30 to 59 Days Past Due
Past Due, Financial Instrument [Abstract]
Total	665	1,919
One-to-Four Family Residential and Cooperative/Condominium Apartment \| 60 to 89 Days Past Due
Past Due, Financial Instrument [Abstract]
Total		1,271
One-to-Four Family Residential and Cooperative/Condominium Apartment \| Non-Accrual
Past Due, Financial Instrument [Abstract]
Total	2,440	3,213
One-to-Four Family Residential and Cooperative/Condominium Apartment \| Current
Past Due, Financial Instrument [Abstract]
Total	1,027,718	945,125
Multifamily Residential and Residential Mixed-Use
Past Due, Financial Instrument [Abstract]
Total	3,509,794	3,820,283
Multifamily Residential and Residential Mixed-Use \| Total Past Due
Past Due, Financial Instrument [Abstract]
Total	32,808	31,360
Multifamily Residential and Residential Mixed-Use \| 30 to 59 Days Past Due
Past Due, Financial Instrument [Abstract]
Total	5,201	3,759
Multifamily Residential and Residential Mixed-Use \| 60 to 89 Days Past Due
Past Due, Financial Instrument [Abstract]
Total	27,607	27,601
Multifamily Residential and Residential Mixed-Use \| 90 days or more past due
Past Due, Financial Instrument [Abstract]
Loans 90 Days or More Past Due and Still Accruing Interest	0
Multifamily Residential and Residential Mixed-Use \| Non-Accrual
Past Due, Financial Instrument [Abstract]
Total	0
Multifamily Residential and Residential Mixed-Use \| Current
Past Due, Financial Instrument [Abstract]
Total	3,476,986	3,788,923
Non-Owner-Occupied Commercial Real Estate
Past Due, Financial Instrument [Abstract]
Total	2,975,264	3,230,535
Non-Owner-Occupied Commercial Real Estate \| Real Estate Loan [Member]
Past Due, Financial Instrument [Abstract]
Total	2,975,264	3,230,535
Non-Owner-Occupied Commercial Real Estate \| Real Estate Loan [Member] \| Total Past Due
Past Due, Financial Instrument [Abstract]
Total	50,278	24,225
Non-Owner-Occupied Commercial Real Estate \| Real Estate Loan [Member] \| 30 to 59 Days Past Due
Past Due, Financial Instrument [Abstract]
Total	2,326	1,265
Non-Owner-Occupied Commercial Real Estate \| Real Estate Loan [Member] \| Non-Accrual
Past Due, Financial Instrument [Abstract]
Total	47,952	22,960
Non-Owner-Occupied Commercial Real Estate \| Real Estate Loan [Member] \| Current
Past Due, Financial Instrument [Abstract]
Total	2,924,986	3,206,310
Acquisition, development, and construction ("ADC")
Past Due, Financial Instrument [Abstract]
Total	139,145	136,172
Acquisition, development, and construction ("ADC") \| Total Past Due
Past Due, Financial Instrument [Abstract]
Total	657	657
Acquisition, development, and construction ("ADC") \| Non-Accrual
Past Due, Financial Instrument [Abstract]
Total	657	657
Acquisition, development, and construction ("ADC") \| Current
Past Due, Financial Instrument [Abstract]
Total	138,488	135,515
Other Loans
Past Due, Financial Instrument [Abstract]
Total	7,621	5,084
Other Loans \| Total Past Due
Past Due, Financial Instrument [Abstract]
Total	2	27
Other Loans \| 30 to 59 Days Past Due
Past Due, Financial Instrument [Abstract]
Total	2	2
Other Loans \| Non-Accrual
Past Due, Financial Instrument [Abstract]
Total		25
Other Loans \| Current
Past Due, Financial Instrument [Abstract]
Total	$ 7,619	$ 5,057

Dime Community Bancshares, Inc. /NY/ 10-Q