Deposits (Tables)

6 Months Ended

Jun. 30, 2017

Banking and Thrift [Abstract]

Deposit Liabilities, Type [Table Text Block]

A summary of deposits by type follows:

(In thousands)	At June 30, 2017		At December 31, 2016
Non-interest-bearing:
Demand	$	4,074,819	$	4,021,061
Interest-bearing:
Checking	2,669,207		2,528,274
Health savings accounts	4,828,145		4,362,503
Money market	2,316,460		2,047,121
Savings	4,473,925		4,320,090
Time deposits	2,095,541		2,024,808
Total interest-bearing	16,383,278		15,282,796
Total deposits	$	20,458,097	$	19,303,857
Time deposits and interest-bearing checking, included in above balances, obtained through brokers	$	913,234	$	848,618
Time deposits, included in above balance, that meet or exceed the FDIC limit	572,231		490,721
Deposit overdrafts reclassified as loan balances	1,242		1,885

Time Deposit Maturities [Table Text Block]

The scheduled maturities of time deposits are as follows:

(In thousands)	At June 30, 2017
Remainder of 2017	$	522,491
2018	715,967
2019	526,115
2020	200,945
2021	107,943
Thereafter	22,080
Total time deposits	$	2,095,541