Deposits (Tables)

12 Months Ended

Dec. 31, 2020

Deposits Liabilities, Balance Sheet, Reported Amounts [Abstract]

Deposits by Category, Including Summary of Remaining Time to Maturity for Time Deposits

The following table is a summary of the Company's deposits by category:

	December 31,
(Dollars in thousands)	2020		2019
Noninterest-bearing:
Noninterest-bearing demand	$	3,415,021	$	2,189,573
Total noninterest-bearing	$	3,415,021	$	2,189,573
Interest-bearing:
Interest-bearing demand	$	2,635,740	$	2,129,725
Savings	1,774,332		1,563,000
Money market	2,654,439		2,100,188
Customer time deposits	1,158,845		1,356,610
Brokered deposits	218,287		247,761
Total interest-bearing	$	8,441,643	$	7,397,284
Total deposits	$	11,856,664	$	9,586,857

The following table is a summary of the remaining time to maturity for customer time deposits:

	December 31,
(Dollars in thousands)	2020		2019
Certificates of deposit (not jumbo):
Less than one year	$	468,729	$	497,148
One year to two years	116,541		140,943
Two years to three years	51,477		36,814
Three years to four years	28,105		39,352
Over four years	9,545		23,192
Total certificates of deposit (not jumbo)	$	674,397	$	737,449
Jumbo certificates of deposit (1)
Less than one year	$	349,396	$	431,242
One year to two years	66,030		110,851
Two years to three years	35,830		16,590
Three years to four years	30,682		31,584
Over four years	2,510		28,894
Total jumbo certificates of deposit	$	484,448	$	619,161
Total certificates of deposit	$	1,158,845	$	1,356,610

(1)Represents certificates of deposit balances in excess of $0.1 million from individuals, businesses and municipalities.

Interest Expense on Deposits by Category, Followed on Deposits

The following table is a summary of interest expense on deposits by category:

	Year Ended December 31,
(Dollars in thousands)	2020		2019		2018
Interest-bearing demand	$	4,229	$	8,794	$	4,523
Money market	9,423		18,169		9,854
Savings	3,518		7,053		1,030
Time deposits	18,699		19,642		8,591
Total customer interest expense	$	35,869	$	53,658	$	23,998
Brokered deposits	3,393		6,417		5,070
Total interest expense on deposits	$	39,262	$	60,075	$	29,068