XML 58 R41.htm IDEA: XBRL DOCUMENT

Deposits (Tables)

12 Months Ended

Dec. 31, 2018

Banking and Thrift [Abstract]

Schedule of deposit composition and average interest rates

The following table provides information regarding the Bank’s deposit composition at December 31, 2018, 2017, and 2016 as well as the average rate being paid on interest bearing deposits at December 31, 2018, 2017, and 2016.

		2018								2017								2016
						Average								Average								Average
(dollars in thousands)		Balance				Rate				Balance				Rate				Balance				Rate
Noninterest bearing demand		$	2,104,220				—			$	1,982,912				—			$	1,775,684				—
Interest bearing transaction			593,107				0.81	%			420,417				0.46	%			289,122				0.16	%
Savings and money market			2,949,559				1.68	%			2,621,146				0.70	%			2,902,560				0.54	%
Time, $100,000 or more			801,957				2.25	%			515,682				1.20	%			464,842				0.95	%
Other time			525,442				2.25	%			313,827				1.17	%			283,906				0.86	%
Total		$	6,974,285							$	5,853,984							$	5,716,114

Schedule of maturity of time deposits

The remaining maturity of time deposits at December 31, 2018, 2017 and 2016 are as follows:

(dollars in thousands)		2018				2017				2016
Three months or less		$	230,360			$	180,459			$	120,238
More than three months through six months			355,022				228,513				151,422
More than six months through twelve months			308,063				208,554				207,141
Over twelve months			433,954				211,983				269,947
Total		$	1,327,399			$	829,509			$	748,748

Schedule of interest expense on deposits

Interest expense on deposits for the years ended December 31, 2018, 2017 and 2016 is as follows:

(dollars in thousands)		2018				2017				2016
Interest bearing transaction		$	3,348			$	1,537			$	646
Savings and money market			35,534				17,284				12,038
Time, $100,000 or more			17,138				7,294				6,487
Other time			4,190				1,171				77
Total		$	60,210			$	27,286			$	19,248