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Deposits (Tables) | 12 Months Ended
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Dec. 31, 2016
Banking and Thrift [Abstract] |
Composition of Deposits and Interest Expenses | The following table presents the composition of deposits at December 31 and interest expense for the years ended December 31:
| 2016 | 2015 | 2014
(dollars in thousands) | Balance |  | Interest Expense |  | Balance |  | Interest Expense |  | Balance |  | Interest Expense |
Noninterest-bearing demand | $ | 1,263,833 |  | $ | — |  | $ | 1,227,766 |  | $ | — |  | $ | 1,083,919 |  | $ | — |
Interest-bearing demand | 638,300 |  | 111 |  | 616,188 |  | 818 |  | 335,099 |  | 19 |
Money market | 936,461 |  | 4,199 |  | 605,184 |  | 1,299 |  | 376,612 |  | 572 |
Savings | 1,050,131 |  | 2,002 |  | 1,061,265 |  | 1,712 |  | 1,027,095 |  | 1,607 |
Certificates of deposit | 1,383,652 |  | 13,380 |  | 1,366,208 |  | 9,115 |  | 1,086,117 |  | 7,930 |
Total | $ | 5,272,377 |  | $ | 19,692 |  | $ | 4,876,611 |  | $ | 12,944 |  | $ | 3,908,842 |  | $ | 10,128 |
Scheduled Maturities of Certificates of Deposit | The following table indicates the scheduled maturities of certificates of deposit at December 31, 2016:
(dollars in thousands) | Amount |
2017 | $ | 1,017,744 |
2018 | 221,829 |
2019 | 48,890 |
2020 | 38,629 |
2021 | 48,438 |
Thereafter | 8,122 |
Total | $ | 1,383,652 |

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