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Deposits
6 Months Ended
Jun. 30, 2023
Deposits [Abstract]  
Deposits Deposits
The following table is a summary of deposits as of the dates shown: 
(Dollars in thousands)June 30,
2023
December 31,
2022
June 30,
2022
Balance:
Non-interest-bearing$10,604,915 $12,668,160 $13,855,844 
NOW and interest-bearing demand deposits5,814,836 5,591,986 5,918,908 
Wealth management deposits1,417,984 2,463,833 3,182,407 
Money market14,523,124 12,886,795 12,273,350 
Savings5,321,578 4,556,635 3,686,596 
Time certificates of deposit6,356,270 4,735,135 3,676,221 
Total deposits$44,038,707 $42,902,544 $42,593,326 
Mix:
Non-interest-bearing24 %30 %33 %
NOW and interest-bearing demand deposits13 13 13 
Wealth management deposits3 
Money market33 30 29 
Savings12 11 
Time certificates of deposit15 11 
Total deposits100 %100 %100 %

Wealth management deposits represent deposit balances (primarily money market accounts) at the Company’s subsidiary banks from brokerage customers of Wintrust Investments, LLC (“Wintrust Investments”), Chicago Deferred Exchange Company (“CDEC”) and trust and asset management customers of the Company.