Junior Subordinated Debentures (Tables)

12 Months Ended

Dec. 31, 2018

Junior Subordinated Debenture Owed to Unconsolidated Subsidiary Trust [Abstract]

Summary of the Company's Junior Subordinated Debentures

The following table provides a summary of the Company’s junior subordinated debentures as of December 31, 2018 and 2017. The junior subordinated debentures represent the par value of the obligations owed to the Trusts.

	Common Securities		Trust Preferred Securities		Junior Subordinated Debentures				Rate Structure	Contractual rate at 12/31/2018			Maturity Date	Earliest Redemption Date
(Dollars in thousands)					2018		2017					Issue Date
Wintrust Capital Trust III	$	774	$	25,000	$	25,774	$	25,774	L+3.25	5.69	%	04/2003	04/2033	04/2008
Wintrust Statutory Trust IV	619		20,000		20,619		20,619		L+2.80	5.60		12/2003	12/2033	12/2008
Wintrust Statutory Trust V	1,238		40,000		41,238		41,238		L+2.60	5.40		05/2004	05/2034	06/2009
Wintrust Capital Trust VII	1,550		50,000		51,550		51,550		L+1.95	4.74		12/2004	03/2035	03/2010
Wintrust Capital Trust VIII	1,238		25,000		26,238		26,238		L+1.45	4.25		08/2005	09/2035	09/2010
Wintrust Capital Trust IX	1,547		50,000		51,547		51,547		L+1.63	4.42		09/2006	09/2036	09/2011
Northview Capital Trust I	186		6,000		6,186		6,186		L+3.00	5.54		08/2003	11/2033	08/2008
Town Bankshares Capital Trust I	186		6,000		6,186		6,186		L+3.00	5.54		08/2003	11/2033	08/2008
First Northwest Capital Trust I	155		5,000		5,155		5,155		L+3.00	5.80		05/2004	05/2034	05/2009
Suburban Illinois Capital Trust II	464		15,000		15,464		15,464		L+1.75	4.54		12/2006	12/2036	12/2011
Community Financial Shares Statutory Trust II	109		3,500		3,609		3,609		L+1.62	4.41		06/2007	09/2037	06/2012
Total					$	253,566	$	253,566		4.94	%