Bank Premises and Equipment (Tables)

12 Months Ended

Dec. 31, 2017

Property, Plant and Equipment [Abstract]

Summary of Bank Premises and Equipment

Bank premises and equipment as of:

 

			Accumulated		Net
			Depreciation &;		Carrying
	Cost		Amortization		Value
			(In thousands)
December 31, 2017
Premises (including land of $18,269)	$	78,255	$	(24,045)	$	54,210
Furniture and equipment		34,532		(21,859)		12,673
Total	$	112,787	$	(45,904)	$	66,883
December 31, 2016
Premises (including land of $14,773)	$	71,562	$	(22,969)	$	48,593
Furniture and equipment		30,281		(20,190)		10,091
Total	$	101,843	$	(43,159)	$	58,684