Borrowings (Tables)

12 Months Ended

Dec. 31, 2017

Debt Disclosure [Abstract]

Schedule of Repurchase Agreements

The following table summarizes securities sold under agreements to repurchase and other borrowings:

	At December 31,
(In thousands)	2017			2016
	Total Outstanding		Rate	Total Outstanding		Rate
Securities sold under agreements to repurchase:
Original maturity of one year or less	$	288,269	0.17	$	340,526	0.16
Original maturity of greater than one year, non-callable	300,000		3.10	400,000		3.09
Total securities sold under agreements to repurchase	588,269		1.66	740,526		1.82
Fed funds purchased	55,000		1.37	209,000		0.46
Securities sold under agreements to repurchase and other borrowings	$	643,269	1.64	$	949,526	1.53

Federal Home Loan Bank, Advances

The following table provides information for FHLB advances:

	At December 31,
	2017				2016
(Dollars in thousands)	Total Outstanding		Weighted- Average Contractual Coupon Rate		Total Outstanding		Weighted- Average Contractual Coupon Rate
Maturing within 1 year	$	1,150,000	1.48	%	$	2,130,500	0.71	%
After 1 but within 2 years	103,026		1.81		200,000		1.36
After 2 but within 3 years	215,000		1.73		128,026		1.73
After 3 but within 4 years	200,000		4.13		175,000		1.77
After 4 but within 5 years	170		—		200,000		1.81
After 5 years	8,909		1.96		9,370		2.59
	1,677,105		1.85		2,842,896		0.95
Premiums on advances	—				12
Federal Home Loan Bank advances	$	1,677,105			$	2,842,908
Aggregate carrying value of assets pledged as collateral	$	6,402,066			$	5,967,318
Remaining borrowing capacity	$	2,600,624			$	1,192,758

Schedule of Long-Term Debt

The following table summarizes long-term debt:

		At December 31,
(Dollars in thousands)		2017			2016
4.375%	Senior fixed-rate notes due February 15, 2024	$	150,000		$	150,000
Junior subordinated debt Webster Statutory Trust I floating-rate notes due September 17, 2033 (1)		77,320			77,320
Total notes and subordinated debt		227,320			227,320
Discount on senior fixed-rate notes		(727		)	(845		)
Debt issuance cost on senior fixed-rate notes		(826		)	(961		)
Long-term debt		$	225,767		$	225,514

(1) The interest rate on Webster Statutory Trust I floating-rate notes, which varies quarterly based on 3-month LIBOR plus 2.95%, was 4.55% at December 31, 2017 and 3.94% at December 31, 2016.