Deposits (Tables)

9 Months Ended

Sep. 30, 2017

Banking and Thrift [Abstract]

Deposit Liabilities, Type [Table Text Block]

A summary of deposits by type follows:

(In thousands)	At September 30, 2017		At December 31, 2016
Non-interest-bearing:
Demand	$	4,138,206	$	4,021,061
Interest-bearing:
Checking	2,581,266		2,528,274
Health savings accounts	4,891,024		4,362,503
Money market	2,598,187		2,047,121
Savings	4,428,061		4,320,090
Time deposits	2,218,491		2,024,808
Total interest-bearing	16,717,029		15,282,796
Total deposits	$	20,855,235	$	19,303,857
Time deposits and interest-bearing checking, included in above balances, obtained through brokers	$	913,042	$	848,618
Time deposits, included in above balance, that meet or exceed the FDIC limit	613,012		490,721
Deposit overdrafts reclassified as loan balances	2,494		1,885

Time Deposit Maturities [Table Text Block]

The scheduled maturities of time deposits are as follows:

(In thousands)	At September 30, 2017
Remainder of 2017	$	285,203
2018	952,745
2019	607,952
2020	225,159
2021	107,921
Thereafter	39,511
Total time deposits	$	2,218,491