Regulatory Matters (Tables)

12 Months Ended

Dec. 31, 2017

Regulatory Capital Requirements [Abstract]

Information On The Capital Ratios

The following table provides information on the capital ratios for Webster Financial Corporation and Webster Bank:

	Actual				Capital Requirements
					Minimum				Well Capitalized
(Dollars in thousands)	Amount		Ratio		Amount		Ratio		Amount		Ratio
At December 31, 2017
Webster Financial Corporation
CET1 risk-based capital	$	2,093,116	11.14	%	$	845,389	4.5	%	$	1,221,118	6.5	%
Total risk-based capital	2,517,848		13.40		1,502,914		8.0		1,878,643		10.0
Tier 1 risk-based capital	2,238,172		11.91		1,127,186		6.0		1,502,914		8.0
Tier 1 leverage capital	2,238,172		8.63		1,036,817		4.0		1,296,021		5.0
Webster Bank
CET1 risk-based capital	$	2,114,224	11.26	%	$	844,693	4.5	%	$	1,220,113	6.5	%
Total risk-based capital	2,316,580		12.34		1,501,677		8.0		1,877,097		10.0
Tier 1 risk-based capital	2,114,224		11.26		1,126,258		6.0		1,501,677		8.0
Tier 1 leverage capital	2,114,224		8.14		1,038,442		4.0		1,298,052		5.0
At December 31, 2016
Webster Financial Corporation
CET1 risk-based capital	$	1,932,171	10.52	%	$	826,504	4.5	%	$	1,193,840	6.5	%
Total risk-based capital	2,328,808		12.68		1,469,341		8.0		1,836,677		10.0
Tier 1 risk-based capital	2,054,881		11.19		1,102,006		6.0		1,469,341		8.0
Tier 1 leverage capital	2,054,881		8.13		1,010,857		4.0		1,263,571		5.0
Webster Bank
CET1 risk-based capital	$	1,945,332	10.61	%	$	825,228	4.5	%	$	1,191,995	6.5	%
Total risk-based capital	2,141,939		11.68		1,467,071		8.0		1,833,839		10.0
Tier 1 risk-based capital	1,945,332		10.61		1,100,304		6.0		1,467,071		8.0
Tier 1 leverage capital	1,945,332		7.70		1,010,005		4.0		1,262,507		5.0