Leases (Tables)

12 Months Ended

Dec. 31, 2019

Leases

Summary of net lease expense

	Year Ended
(dollars in thousands)	December 31, 2019
Operating lease expense	$	9,158
Short-term lease expense		487
Variable lease expense		2,152
Finance lease expense:
Amortization of right-of-use assets		3
Interest on lease liabilities		2
Total finance lease expense		5
Less: Sublease income		(1,073)
Net lease expense	$	10,729

Summary of rental expense, net of sublease income, presented in accordance with Topic 840

	Year Ended December 31,
(dollars in thousands)	2018		2017
Rental expense charged to occupancy	$	9,947	$	8,620
Less: Sublease income		903		1,342
Net rental expense charged to occupancy		9,044		7,278
Rental expense charged to equipment expense		3,679		285
Total	$	12,723	$	7,563

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

	Year Ended
(dollars in thousands)	December 31, 2019
Supplemental Cash Flows Information
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows paid for operating leases	$	8,802
Operating cash flows paid for finance leases	$	10
Financing cash flows paid for finance leases	$	10
Right-of-use assets obtained in exchange for new lease obligations:
Operating leases	$	1,401
Weighted Average Remaining Lease Term
Operating leases (years)		15.7
Finance leases (years)		2.5
Weighted Average Discount Rate
Operating leases		3.36	%
Finance leases		6.78	%

Summary of future minimum rental payments under noncancellable leases

	Net Operating
	Lease
(dollars in thousands)	Payments
Year ending December 31:
2020	$	8,776
2021		8,084
2022		5,453
2023		2,964
2024		2,721
Thereafter		32,227
Total future minimum lease payments		60,225
Less: Imputed interest		(15,934)
Total	$	44,291

Summary of future minimum rental payments under operating leases, Topic 840

	Operating		Less		Net Operating
	Lease		Sublease		Lease
(dollars in thousands)	Payments		Income		Payments
Year ending December 31:
2019	$	8,780	$	903	$	7,877
2020		8,668		903		7,765
2021		7,961		892		7,069
2022		5,101		—		5,101
2023		2,632		—		2,632
Thereafter		34,638		—		34,638
Total future minimum lease payments	$	67,780	$	2,698	$	65,082

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, 2019:

	Minimum
	Rental
(dollars in thousands)	Income
Year ending December 31:
2020	$	6,164
2021		6,152
2022		4,431
2023		3,506
2024		2,680
Thereafter		6,511
Total	$	29,444