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v3.20.4

Deposits (Tables) | 12 Months Ended
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Dec. 31, 2020
Notes Tables |
Schedule of Deposits and Weighted Average Rate on Deposits [Table Text Block] | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Weighted |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Average |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Rate |
​ |  | 2020 |  | 2019 |  | 2020 |
​ | ​ | (Dollars in thousands) | ​ | ​ |
Interest-bearing deposits: |  | ​ |  |  | ​ |  |  |  | ​
Certificate of deposit accounts | ​ | $ | 1,138,361 | ​ | $ | 1,437,890 |  | 0.97 | %
Savings accounts | ​ |  | 168,183 | ​ |  | 191,485 |  | 0.18 | ​
Money market accounts | ​ |  | 1,682,345 | ​ |  | 1,592,011 |  | 0.50 | ​
NOW accounts | ​ |  | 2,323,172 | ​ |  | 1,365,591 |  | 0.28 | ​
Total interest-bearing deposits | ​ |  | 5,312,061 | ​ |  | 4,586,977 |  |  | ​
Non-interest bearing demand deposits | ​ |  | 778,672 | ​ |  | 435,072 |  |  | ​
Total due to depositors | ​ |  | 6,090,733 | ​ |  | 5,022,049 |  |  | ​
Mortgagors' escrow deposits | ​ |  | 45,622 | ​ |  | 44,375 |  | 0.02 | ​
Total deposits | ​ | $ | 6,136,355 | ​ | $ | 5,066,424 |  |  | ​
Schedule of Interest Expense on Deposits [Table Text Block] | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2020 |  | 2019 |  | 2018
​ | ​ | (In thousands)
Certificate of deposit accounts | ​ | $ | 18,096 | ​ | $ | 35,078 | ​ | $ | 28,310
Savings accounts | ​ |  | 495 | ​ |  | 1,378 | ​ |  | 1,370
Money market accounts | ​ |  | 14,368 | ​ |  | 27,819 | ​ |  | 18,707
NOW accounts | ​ |  | 9,309 | ​ |  | 23,553 | ​ |  | 15,896
Total due to depositors | ​ |  | 42,268 | ​ |  | 87,828 | ​ |  | 64,283
Mortgagors' escrow deposits | ​ |  | 44 | ​ |  | 229 | ​ |  | 214
Total interest expense on deposits | ​ | $ | 42,312 | ​ | $ | 88,057 | ​ | $ | 64,497
Schedule of Remaining Maturities of Certificates of Deposit Accounts [Table Text Block] | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2020 |  | 2019
​ | ​ | (In thousands)
Within 12 months | ​ | $ | 923,235 | ​ | $ | 1,220,601
More than 12 months to 24 months | ​ |  | 139,088 | ​ |  | 143,520
More than 24 months to 36 months | ​ |  | 58,125 | ​ |  | 14,223
More than 36 months to 48 months | ​ |  | 14,488 | ​ |  | 48,318
More than 48 months to 60 months | ​ |  | 3,394 | ​ |  | 11,082
More than 60 months | ​ |  | 31 | ​ |  | 146
Total certificate of deposit accounts | ​ | $ | 1,138,361 | ​ | $ | 1,437,890

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