Commitments (Tables)

12 Months Ended

Dec. 31, 2016

Commitments and Contingencies Disclosure [Abstract]

Schedule of commitments

	2016		2015
	(In Thousands)
Commitments to extend credit:
Commitments to grant loans	$	15,199	$	10,415
Unadvanced portion of construction loans		5,009		1,338
Unfunded commitments under lines of credit		17,587		15,803
	$	37,795	$	27,556