Deposits (Tables)

12 Months Ended

Dec. 31, 2019

Banking and Thrift [Abstract]

Scheduled maturities for time deposits

The following table presents the maturity schedules of time deposits in amounts of more than $250 thousand as of December 31, 2019:

	December 31, 2019
	(Dollars in thousands)
Three months or less	$	638,019
Over three months through six months	372,606
Over six months through twelve months	811,238
Over twelve months	34,852
Total	$	1,856,715

At December 31, 2019, the scheduled maturities for time deposits were as follows:

	December 31, 2019
	(Dollars in thousands)
Scheduled maturities in:
2020	$	5,050,023
2021	75,275
2022	14,110
2023	19,260
2024	302
Total	$	5,158,970

Summary of interest expense on deposits

Interest expense on deposits for the periods indicated is summarized as follows:

	Year Ended December 31,
	2019		2018		2017
	(Dollars in thousands)
Money market and NOW	$	57,731	$	43,252	$	31,856
Savings deposits	2,596		1,889		1,354
Time deposits	129,831		89,817		41,692
Total deposit interest expense	$	190,158	$	134,958	$	74,902