Deposits (Tables)

12 Months Ended

Dec. 31, 2017

Deposits [Abstract]

Schedule of Deposits, By Type

Deposits are summarized as follows:

December 31,	2017		2016
Non-interest bearing demand	$	2,900.0	$	1,906.3
Interest bearing:
Demand	2,787.5		2,276.5
Savings	3,095.4		2,141.8
Time, $100 and over	432.0		461.4
Time, other	720.0		590.1
Total interest bearing	7,034.9		5,469.8
Total deposits	$	9,934.9	$	7,376.1

Schedule of Maturities of Time Deposits

Maturities of time deposits at December 31, 2017 are as follows:

	Time, $100 and Over		Total Time
Due within 3 months or less	$	88.6	$	313.8
Due after 3 months and within 6 months	65.3		167.3
Due after 6 months and within 12 months	110.6		259.2
Due after 12 months	167.5		411.6
Total	$	432.0	$	1,151.9