Deposits (Tables)

12 Months Ended

Dec. 31, 2015

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:

	2015				2014				2013
(dollars in thousands)	Balance		Interest Expense		Balance		Interest Expense		Balance		Interest Expense
Noninterest-bearing demand	$	1,227,766	$	—	$	1,083,919	$	—	$	992,779	$	—
Interest-bearing demand	616,188		818		335,099		19		312,790		75
Money market	605,184		1,299		376,612		572		281,403		446
Savings	1,061,265		1,712		1,027,095		1,607		994,805		1,735
Certificates of deposit	1,366,208		9,115		1,086,117		7,930		1,090,531		9,150
Total	$	4,876,611	$	12,944	$	3,908,842	$	10,128	$	3,672,308	$	11,406

Scheduled Maturities of Certificates of Deposit

The following table indicates the scheduled maturities of certificates of deposit at December 31, 2015:

(dollars in thousands)	Amount
2016	$	870,679
2017	304,820
2018	102,886
2019	37,742
2020	41,808
Thereafter	8,273
Total	$	1,366,208