Deposits (Tables)

12 Months Ended

Dec. 31, 2016

Banking and Thrift [Abstract]

Composition of Deposits and Interest Expenses

The following table presents the composition of deposits at December 31 and interest expense for the years ended December 31:

	2016				2015				2014
(dollars in thousands)	Balance		Interest Expense		Balance		Interest Expense		Balance		Interest Expense
Noninterest-bearing demand	$	1,263,833	$	—	$	1,227,766	$	—	$	1,083,919	$	—
Interest-bearing demand	638,300		111		616,188		818		335,099		19
Money market	936,461		4,199		605,184		1,299		376,612		572
Savings	1,050,131		2,002		1,061,265		1,712		1,027,095		1,607
Certificates of deposit	1,383,652		13,380		1,366,208		9,115		1,086,117		7,930
Total	$	5,272,377	$	19,692	$	4,876,611	$	12,944	$	3,908,842	$	10,128

Scheduled Maturities of Certificates of Deposit

The following table indicates the scheduled maturities of certificates of deposit at December 31, 2016:

(dollars in thousands)	Amount
2017	$	1,017,744
2018	221,829
2019	48,890
2020	38,629
2021	48,438
Thereafter	8,122
Total	$	1,383,652