Leases (Tables)

12 Months Ended

Dec. 31, 2023

Leases

Summary of net lease expense

	Year Ended December 31,
(dollars in thousands)	2023		2022		2021
Operating lease expense	$	8,167	$	8,883	$	9,432
Short-term lease expense		26		26		246
Variable lease expense		2,112		2,135		2,204
Finance lease expense:
Amortization of right-of-use assets		—		1		3
Total finance lease expense		—		1		3
Less: Sublease income		(649)		(637)		(744)
Net lease expense	$	9,656	$	10,408	$	11,141

Summary of other information related to the Company's lease liabilities

	Year Ended December 31,
(dollars in thousands)	2023			2022			2021
Supplemental Cash Flows Information
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows paid for operating leases	$	7,636		$	8,418		$	7,981
Financing cash flows paid for finance leases	$	—		$	—		$	10
Right-of-use assets obtained in exchange for new lease obligations:
Operating leases	$	4,775		$	4,676		$	31,792
Weighted Average Remaining Lease Term
Operating leases (years)		21.3			22.2			22.8
Finance leases (years)		—			—			0.5
Weighted Average Discount Rate
Operating leases		3.11	%		2.98	%		3.01	%
Finance leases		—	%		—	%		6.78	%

Summary of future minimum rental payments under noncancellable leases

	Net Operating
	Lease
(dollars in thousands)	Payments
Year ending December 31:
2024	$	8,009
2025		5,636
2026		5,149
2027		4,520
2028		3,931
Thereafter		62,557
Total future minimum lease payments		89,802
Less: Imputed interest		(25,970)
Total	$	63,832

Summary of future minimum rental income under noncancellable operating leases

The following table sets forth future minimum rental income under noncancelable operating leases with terms in excess of one year as of December 31, 2023:

	Minimum
	Rental
(dollars in thousands)	Income
Year ending December 31:
2024	$	5,963
2025		5,267
2026		4,446
2027		2,882
2028		1,914
Thereafter		3,715
Total	$	24,187