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Deposits (Tables) | 12 Months Ended
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Dec. 31, 2023
Notes Tables |
Schedule of Deposits and Weighted Average Rate on Deposits | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Weighted |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Average |
​ | ​ | December 31, | ​ | December 31, | ​ | Rate |
​ |  | 2023 |  | 2022 |  | 2023 (1) |
Interest-bearing deposits: |  | (Dollars in thousands) |  |  | ​
Certificate of deposit accounts | ​ | $ | 2,311,290 | ​ | $ | 1,526,338 |  | 4.51 | %
Savings accounts | ​ |  | 108,605 | ​ |  | 143,641 |  | 0.45 | ​
Money market accounts | ​ |  | 1,726,404 | ​ |  | 2,099,776 |  | 3.91 | ​
NOW accounts | ​ |  | 1,771,164 | ​ |  | 1,746,190 |  | 3.58 | ​
Total interest-bearing deposits | ​ |  | 5,917,463 | ​ |  | 5,515,945 |  |  | ​
Non-interest bearing demand deposits | ​ |  | 847,416 | ​ |  | 921,238 |  |  | ​
Total due to depositors | ​ |  | 6,764,879 | ​ |  | 6,437,183 |  |  | ​
Mortgagors' escrow deposits | ​ |  | 50,382 | ​ |  | 48,159 |  | 0.25 | ​
Total deposits | ​ | $ | 6,815,261 | ​ | $ | 6,485,342 |  |  | ​
Schedule of Interest Expense on Deposits | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2023 |  | 2022 |  | 2021
​ | ​ | (In thousands)
Certificate of deposit accounts | ​ | $ | 64,844 | ​ | $ | 12,547 | ​ | $ | 7,340
Savings accounts | ​ |  | 520 | ​ |  | 211 | ​ |  | 255
Money market accounts | ​ |  | 58,898 | ​ |  | 19,039 | ​ |  | 7,271
NOW accounts | ​ |  | 64,191 | ​ |  | 15,353 | ​ |  | 5,453
Total due to depositors | ​ |  | 188,453 | ​ |  | 47,150 | ​ |  | 20,319
Mortgagors' escrow deposits | ​ |  | 202 | ​ |  | 135 | ​ |  | 5
Total interest expense on deposits | ​ | $ | 188,655 | ​ | $ | 47,285 | ​ | $ | 20,324
Schedule of Remaining Maturities of Certificates of Deposit Accounts | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2023 |  | 2022
​ | ​ | (In thousands)
Within 12 months | ​ | $ | 2,210,586 | ​ | $ | 859,546
More than 12 months to 24 months | ​ |  | 89,816 | ​ |  | 599,809
More than 24 months to 36 months | ​ |  | 2,115 | ​ |  | 64,353
More than 36 months to 48 months | ​ |  | 4,733 | ​ |  | 1,025
More than 48 months to 60 months | ​ |  | 2,898 | ​ |  | 298
More than 60 months | ​ |  | 1,142 | ​ |  | 1,307
Total certificate of deposit accounts | ​ | $ | 2,311,290 | ​ | $ | 1,526,338
​

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