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Deposits | 9 Months Ended
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Sep. 30, 2025
Deposits [Abstract] |
Deposits | Note 8 — Deposits The composition of deposits is shown below. Average balances represent year-to-date averages.
|  | September 30, 2025 |  |  | December 31, 2024 |
|  | Balance |  |  | Average Balance |  |  | Balance |  |  | Average Balance |
|  | (Dollars in Thousands) |
Non-interest-bearing transaction accounts |  | $ | 400,697 |  |  | $ | 413,767 |  |  | $ | 436,111 |  |  | $ | 441,313 |
Interest-bearing transaction accounts |  |  | 1,050,233 |  |  |  | 988,345 |  |  |  | 965,637 |  |  |  | 884,321 |
Money market accounts |  |  | 840,477 |  |  |  | 835,108 |  |  |  | 809,695 |  |  |  | 815,603 |
Certificates of deposit |  |  | 300,703 |  |  |  | 215,785 |  |  |  | 184,986 |  |  |  | 237,228 |
Wholesale deposits |  |  | 740,961 |  |  |  | 741,178 |  |  |  | 710,711 |  |  |  | 515,196 |
Total deposits |  | $ | 3,333,071 |  |  | $ | 3,194,183 |  |  | $ | 3,107,140 |  |  | $ | 2,893,661 |
A summary of annual maturities of core and wholesale certificates of deposit at September 30, 2025 is as follows:
(In Thousands) |  |  |
Maturities during the year ended December 31, |  |  |
2025 |  | $ | 452,061 |
2026 |  |  | 237,409 |
2027 |  |  | 124,185 |
2028 |  |  | 30,339 |
2029 |  |  | 18,462 |
Thereafter |  |  | 8,905 |
|  | $ | 871,361 |
Wholesale deposits include $570.7 million and $170.3 million of wholesale certificates of deposit and non-reciprocal interest-bearing transaction accounts, respectively, at September 30, 2025, compared to $515.6 million and $195.1 million of wholesale certificates of deposit and non-reciprocal interest-bearing transaction accounts, respectively, at December 31, 2024. The Corporation has entered into derivative contracts hedging a portion of the certificates of deposit included above. As of September 30, 2025, the notional amount of derivatives designated as cash flow hedges totaled $448.8 million with a weighted average remaining maturity of 3.31 years and a weighted average rate of 3.72%. Certificates of deposit and wholesale deposits denominated in amounts greater than $250,000 were $131.7 million at September 30, 2025 and $67.3 million at December 31, 2024.

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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://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 405 -Topic 942 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478353/942-405-50-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(12)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1406 -Paragraph e -Publisher SEC Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1406 -Publisher SEC + Details
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