DEPOSITS AND RELATED INTEREST (Narrative) (Details) $ in Thousands |
Jun. 30, 2025
USD ($)
|
Dec. 31, 2024
USD ($)
client
|
|---|---|---|
| Deposits and Related Interest [Line Items] | ||
| Uninsured deposits | $ 5,351,000 | $ 4,915,000 |
| Deposits percent | 52.75% | 51.17% |
| Weighted average interest rate of deposits | 1.51% | 1.56% |
| Time deposits in denominations in excess of $250,000 | $ 1,268,000 | $ 1,049,000 |
| Deposits | 10,144,165 | 9,604,786 |
| Public funds collateral investments | 1,697,000 | 1,507,000 |
| Accrued interest on time deposits | 4,200 | 3,100 |
| Overdrafts in demand deposit accounts | 666 | 3,200 |
| Commercial loans | ||
| Deposits and Related Interest [Line Items] | ||
| Overdrafts in demand deposit accounts | $ 2,500 | |
| Number of commercial clients | client | 2 | |
| Puerto Rico | Government | ||
| Deposits and Related Interest [Line Items] | ||
| Deposits | $ 1,622,000 | $ 1,445,000 |