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Deposits (Tables) | 12 Months Ended
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Dec. 31, 2017
Weighted Average Interest Rates for Each Type of Deposit | The following table sets forth the weighted average interest rates for each type of deposit at December 31, 2017 and 2016:
|  | December 31, |
|  | 2017 |  |  | 2016 |
(dollars in thousands) |  | Amount |  |  | Percent of Total |  |  | Weighted Average Interest Rate |  |  | Amount |  |  | Percent of Total |  |  | Weighted Average Interest Rate (1) |
Interest-bearing checking and money market accounts |  | $ | 12,936,301 |  |  |  | 44.45 | % |  |  | 0.23 | % |  | $ | 13,395,080 |  |  |  | 46.37 | % |  |  | 0.55 | %
Savings accounts |  |  | 5,210,001 |  |  |  | 17.90 |  |  |  | 0.52 |  |  |  | 5,280,374 |  |  |  | 18.28 |  |  |  | 0.46 |
Certificates of deposit |  |  | 8,643,646 |  |  |  | 29.70 |  |  |  | 1.31 |  |  |  | 7,577,170 |  |  |  | 26.23 |  |  |  | 1.12 |
Non-interest-bearing accounts |  |  | 2,312,215 |  |  |  | 7.95 |  |  |  | — |  |  |  | 2,635,279 |  |  |  | 9.12 |  |  |  | — |
Total deposits |  | $ | 29,102,163 |  |  |  | 100.00 | % |  |  | 0.58 | % |  | $ | 28,887,903 |  |  |  | 100.00 | % |  |  | 0.63 | %
Scheduled Maturities of Certificates of Deposit Intangibles | The scheduled maturities of certificates of deposit (“CDs”) at December 31, 2017 were as follows:
(in thousands) |  |  |
1 year or less |  | $ | 5,897,172 |
More than 1 year through 2 years |  |  | 2,461,847 |
More than 2 years through 3 years |  |  | 209,389 |
More than 3 years through 4 years |  |  | 42,485 |
More than 4 years through 5 years |  |  | 21,907 |
Over 5 years |  |  | 10,846 |
Total CDs |  | $ | 8,643,646 |
Core Deposit Intangibles in Amounts of One Hundred Thousand or more, by Remaining Term to Maturity | The following table presents a summary of CDs in amounts of $100,000 or more by remaining term to maturity, at December 31, 2017:
|  | CDs of $100,000 or More Maturing Within |
(in thousands) |  | 3 Months or Less |  |  | Over 3 to 6 Months |  |  | Over 6 to 12 Months |  |  | Over 12 Months |  |  | Total |
Total |  | $ | 1,333,531 |  |  | $ | 1,495,368 |  |  | $ | 1,064,316 |  |  | $ | 1,595,643 |  |  | $ | 5,488,858 |

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