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Deposits | 12 Months Ended
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Dec. 31, 2017
Banking and Thrift [Abstract] |
DEPOSITS | DEPOSITS The following table presents the composition of deposits at December 31 and interest expense for the years ended December 31:
| 2017 |  | 2016 |  | 2015
(dollars in thousands) | Balance |  |  | Interest Expense |  |  | Balance |  |  | Interest Expense |  |  | Balance |  |  | Interest Expense |
Noninterest-bearing demand | $ | 1,387,712 |  |  | $ | — |  |  | $ | 1,263,833 |  |  | $ | — |  |  | $ | 1,227,766 |  |  | $ | — |
Interest-bearing demand | 603,141 |  |  | 67 |  |  | 638,300 |  |  | 111 |  |  | 616,188 |  |  | 818 |
Money market | 1,146,156 |  |  | 9,204 |  |  | 936,461 |  |  | 4,199 |  |  | 605,184 |  |  | 1,299 |
Savings | 893,119 |  |  | 2,081 |  |  | 1,050,131 |  |  | 2,002 |  |  | 1,061,265 |  |  | 1,712 |
Certificates of deposit | 1,397,763 |  |  | 13,978 |  |  | 1,383,652 |  |  | 13,380 |  |  | 1,366,208 |  |  | 9,115 |
Total | $ | 5,427,891 |  |  | $ | 25,330 |  |  | $ | 5,272,377 |  |  | $ | 19,692 |  |  | $ | 4,876,611 |  |  | $ | 12,944 |
The aggregate of all certificates of deposits over $100,000, including brokered CDs, was $585 million and $672 million at December 31, 2017 and 2016. Certificates of deposits over $250,000, including brokered CDs, were $228 million and $303 million at December 31, 2017 and 2016. The following table indicates the scheduled maturities of certificates of deposit at December 31, 2017:
(dollars in thousands) | Amount |
2018 | $ | 1,015,515 |
2019 | 233,932 |
2020 | 43,461 |
2021 | 65,563 |
2022 | 33,172 |
Thereafter | 6,120 |
Total | $ | 1,397,763 |

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