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Deposits | 12 Months Ended
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Dec. 31, 2025
Deposits [Abstract] |
Deposits | Deposits The following is a summary of deposits at December 31, 2025 and 2024:
(Dollars in thousands) |  | 2025 |  | 2024
Balance: |  |  |  |
Non-interest bearing |  | $ | 11,423,701 |  |  | $ | 11,410,018 |
NOW and interest-bearing demand deposits |  | 6,233,753 |  |  | 5,865,546 |
Wealth management deposits |  | 1,907,647 |  |  | 1,469,064 |
Money market |  | 21,368,924 |  |  | 17,975,191 |
Savings |  | 6,905,216 |  |  | 6,372,499 |
Time certificates of deposit |  | 9,877,950 |  |  | 9,420,031 |
Total deposits |  | $ | 57,717,191 |  |  | $ | 52,512,349 |
Mix: |  |  |  |
Non-interest bearing |  | 20 | % |  | 22 | %
NOW and interest-bearing demand deposits |  | 11 |  |  | 11 |
Wealth management deposits |  | 3 |  |  | 3 |
Money market |  | 37 |  |  | 34 |
Savings |  | 12 |  |  | 12 |
Time certificates of deposit |  | 17 |  |  | 18 |
Total deposits |  | 100 | % |  | 100 | %
Wealth management deposits represent deposit balances (primarily money market accounts) at the Company’s subsidiary banks from brokerage customers of Wintrust Investments, CDEC and trust and asset management customers of the Company. The scheduled maturities of time certificates of deposit at December 31, 2025 and 2024 are as follows:
(In thousands) |  | 2025 |  | 2024
Due within one year |  | $ | 9,443,038 |  |  | $ | 9,061,295 |
Due in one to two years |  | 361,555 |  |  | 281,239 |
Due in two to three years |  | 56,526 |  |  | 53,009 |
Due in three to four years |  | 11,296 |  |  | 14,316 |
Due in four to five years |  | 5,351 |  |  | 10,104 |
Due after five years |  | 184 |  |  | 68 |
Total time certificate of deposits |  | $ | 9,877,950 |  |  | $ | 9,420,031 |
The following table sets forth the scheduled maturities of uninsured time deposits, specifically the portion of time deposit balances in excess of the FDIC insurance limit of $250,000, at December 31, 2025 and 2024:
(In thousands) |  | 2025 |  | 2024
Maturing within three months |  | $ | 732,812 |  |  | $ | 774,312 |
After three but within six months |  | 721,352 |  |  | 926,997 |
After six but within 12 months |  | 711,506 |  |  | 490,231 |
After 12 months |  | 67,584 |  |  | 54,691 |
Total |  | $ | 2,233,254 |  |  | $ | 2,246,231 |
Time deposits in denominations of $250,000 or more were $4.0 billion and $3.9 billion at December 31, 2025 and 2024, respectively.

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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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