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Deposits
9 Months Ended
Sep. 30, 2022
Deposits [Abstract]  
Deposits Deposits
The following table is a summary of deposits as of the dates shown: 
(Dollars in thousands)September 30,
2022
December 31,
2021
September 30,
2021
Balance:
Non-interest-bearing$13,529,277 $14,179,980 $13,255,417 
NOW and interest-bearing demand deposits5,676,122 4,646,944 4,255,940 
Wealth management deposits2,988,195 2,612,759 2,300,818 
Money market12,538,489 12,840,432 12,148,541 
Savings3,988,790 3,846,681 3,861,296 
Time certificates of deposit4,076,318 3,968,789 4,130,546 
Total deposits$42,797,191 $42,095,585 $39,952,558 
Mix:
Non-interest-bearing32 %34 %33 %
NOW and interest-bearing demand deposits13 11 11 
Wealth management deposits7 
Money market29 31 30 
Savings9 10 
Time certificates of deposit10 10 
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.