Deposits (Tables)

12 Months Ended

Dec. 31, 2017

Deposits [Abstract]

Schedule of Deposits by Type [Table Text Block]

Deposits are summarized as follows:

	December 31,
	2017		2016
	(In thousands)
Demand deposits (non-interest bearing)	$	2,025,690	$	1,753,648
Savings and NOW (1)	716,296		652,819
Money market (1)	3,121,811		3,102,048
Certificates of deposit under $100,000 (1)	250,070		236,001
Certificates of deposit $100,000 or more to less than $250,000 (1)	82,665		100,570
Certificates of deposit $250,000 or more	313,714		240,060
Total	$	6,510,246	$	6,085,146

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(1) Includes brokered deposits.

Banking and Thrift Disclosure [Text Block]

Certificates of deposit had the following schedule of maturities:

	December 31,
	2017		2016
	(In thousands)
Less than 3 months remaining	$	214,594	$	140,304
3 to 6 months remaining	183,780		73,522
6 to 12 months remaining	133,873		213,802
Total due within 1 year	532,247		427,628
1 to 2 years remaining	79,926		115,099
2 to 3 years remaining	32,165		14,492
3 to 4 years remaining	2,083		17,437
4 to 5 years remaining	25		1,972
More than 5 years remaining	3		3
Total	$	646,449	$	576,631