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Deposits (Tables) | 12 Months Ended
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Dec. 31, 2017
CUSTOMER DEPOSIT ACCOUNTS |
Summary of deposit account balances | The following table presents the balances for deposits as of December 31, 2017 and 2016:
|  | December 31,
($ in thousands) |  | 2017 |  | 2016
Core deposits: |  |  |  |
Noninterest-bearing demand |  | $ | 10,887,306 |  |  | $ | 10,183,946 |
Interest-bearing checking |  | 4,419,089 |  |  | 3,674,417 |
Money market |  | 8,359,425 |  |  | 8,174,854 |
Savings |  | 2,308,494 |  |  | 2,242,497 |
Total core deposits |  | 25,974,314 |  |  | 24,275,714 |
Time deposits: |  |  |  |
Less than $100,000 |  | 1,176,973 |  |  | 1,300,091 |
$100,000 or greater |  | 4,463,776 |  |  | 4,315,178 |
Total time deposits |  | 5,640,749 |  |  | 5,615,269 |
Total deposits |  | $ | 31,615,063 |  |  | $ | 29,890,983 |
Schedule of maturities of time deposits | The following table presents the scheduled maturities of time deposits for the five years succeeding December 31, 2017 and thereafter:
($ in thousands) |  | Amount
2018 |  | $ | 4,930,794 |
2019 |  | 394,274 |
2020 |  | 102,768 |
2021 |  | 86,308 |
2022 |  | 94,602 |
Thereafter |  | 32,003 |
Total |  | $ | 5,640,749 |

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