Deposits (Tables)

12 Months Ended

Dec. 31, 2016

Deposits [Abstract]

Deposits by type

The distribution of deposits at December 31 was as follows.

	2016		2015
	($ in Thousands)
Noninterest-bearing demand	$	5,392,208	$	5,562,466
Savings	1,431,494		1,334,420
Interest-bearing demand	4,687,656		3,445,000
Money market	8,770,963		9,102,977
Brokered CDs	52,725		42,443
Other time	1,553,402		1,520,359
Total deposits	$	21,888,448	$	21,007,665

Time deposits by maturity

Aggregate annual maturities of all time deposits at December 31, 2016, are as follows.

Maturities During Year Ending December 31,	($ in Thousands)
2017	$	932,179
2018	276,642
2019	185,465
2020	131,820
2021	76,740
Thereafter	3,281
Total	$	1,606,127