Commitments and Contingencies (Tables)

9 Months Ended

Sep. 30, 2016

Commitments and Contingencies Disclosure [Abstract]

Schedule of financial instruments with off-balance sheet risk

Financial instruments with off-balance-sheet risk at the dates indicated follow:

	At September 30, 2016		At December 31, 2015
	(In Thousands)
Financial instruments whose contract amounts represent credit risk:
Commitments to originate loans and leases:
Commercial real estate	$	68,304	$	36,000
Commercial	74,655		78,017
Residential mortgage	5,019		19,430
Unadvanced portion of loans and leases	585,295		648,291
Unused lines of credit:
Home equity	328,116		280,786
Other consumer	14,476		12,383
Other commercial	188		529
Unused letters of credit:
Financial standby letters of credit	10,978		12,389
Performance standby letters of credit	472		392
Commercial and similar letters of credit	1,717		821
Back-to-back interest-rate swaps (Notional principal amounts)	747,233		490,632

Schedule of future minimum rental payments under noncancellable operating leases

A summary of future minimum rental payments under such leases at the dates indicated follows:

	Minimum Rental Payments
	(In Thousands)
Remainder of 2016	$	1,283
Year ending:
2017	4,919
2018	4,563
2019	3,712
2020	3,155
2021	2,646
Thereafter	11,993
Total	$	32,271