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Deposits | 12 Months Ended
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Dec. 31, 2018
Banking and Thrift [Abstract] |
Deposits | The aggregate amount of time deposits in denominations of more than $250 thousand at December 31, 2018 and 2017, was $1.77 billion and $1.28 billion, respectively. Included in time deposits of more than $250 thousand were $300.0 million in California State Treasurer’s deposits at December 31, 2018 and 2017. The California State Treasurer’s deposits are subject to withdrawal based on the State’s periodic evaluations. The Company is required to pledge eligible collateral of at least 110% of outstanding deposits. At December 31, 2018 and 2017, securities with carrying values of approximately $336.8 million and $337.7 million, respectively, were pledged as collateral for the California State Treasurer’s deposits. The Company also utilizes brokered deposits as a secondary source of funds. Total brokered deposits at December 31, 2018 and December 31, 2017, totaled $1.57 billion and $797.0 million, respectively. Brokered deposits at December 31, 2018 consisted of $370.4 million in brokered money market and NOW accounts and $1.20 billion in brokered time deposits accounts. Brokered deposits at December 31, 2017 consisted of $258.5 million in brokered money market and NOW accounts and $538.5 million in brokered time deposits accounts. At December 31, 2018, the scheduled maturities for time deposits were as follows:
| December 31, 2018
| (Dollars in thousands)
Scheduled maturities in: |
2019 | $ | 5,183,279 |
2020 | 635,279 |
2021 | 31,059 |
2022 | 1,828 |
2023 and thereafter | 19,179 |
Total | $ | 5,870,624 |
The following table presents the maturity schedules of time deposits in amounts of more than $250 thousand as of December 31, 2018:
| More than $250,000
| (Dollars in thousands)
Three months or less | $ | 571,535 |
Over three months through six months | 332,352 |
Over six months through twelve months | 774,224 |
Over twelve months | 95,319 |
Total | $ | 1,773,430 |
Interest expense on deposits for the periods indicated is summarized as follows:
| Year Ended December 31,
| 2018 |  | 2017 |  | 2016
| (Dollars in thousands)
Money market and NOW | $ | 43,252 |  |  | $ | 31,856 |  |  | $ | 21,136 |
Savings deposits | 1,889 |  |  | 1,354 |  |  | 1,282 |
Time deposits | 89,817 |  |  | 41,692 |  |  | 25,673 |
Total deposit interest expense | $ | 134,958 |  |  | $ | 74,902 |  |  | $ | 48,091 |

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- Definition The entire disclosure for deposit liabilities including data and tables. It may include a description of the entity's deposit liabilities, the aggregate amount of time deposits (including certificates of deposit) in denominations of $100,000 or more at the balance sheet date; the aggregate amount of any demand deposits that have been reclassified as loan balances, such as overdrafts, at the balance sheet date; deposits that are received on terms other than those in the normal course of business, the amount of accrued interest on deposit liabilities; securities, mortgage loans or other financial instruments that serve as collateral for deposits; for time deposits having a remaining term of more than one year, the aggregate amount of maturities for each of the five years following the balance sheet date; and the weighted average interest rate for all deposit liabilities held by the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 405 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=50488274&loc=d3e64164-112818 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.12) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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