Deposits

9 Months Ended

Sep. 30, 2021

Deposits [Abstract]

Deposits

Deposits

The following table is a summary of deposits as of the dates shown: 

(Dollars in thousands)	September 30, 2021			December 31, 2020			September 30, 2020
Balance:
Non-interest-bearing	$	13,255,417		$	11,748,455		$	10,409,747
NOW and interest-bearing demand deposits	3,769,825			3,349,021			3,294,071
Wealth management deposits	4,177,820			4,138,712			4,235,583
Money market	10,757,654			9,348,806			9,423,653
Savings	3,861,296			3,531,029			3,415,073
Time certificates of deposit	4,130,546			4,976,628			5,066,295
Total deposits	$	39,952,558		$	37,092,651		$	35,844,422
Mix:
Non-interest-bearing	33		%	32		%	29		%
NOW and interest-bearing demand deposits	9			9			9
Wealth management deposits	11			11			12
Money market	27			25			26
Savings	10			10			10
Time certificates of deposit	10			13			14
Total deposits	100		%	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”), trust and asset management customers of the Company and brokerage customers from unaffiliated companies.