Operating leases (Tables)

12 Months Ended

Dec. 31, 2021

Operating leases [Abstract]

Other Information Related to Leases

Other information related to leases was as follows:

(dollars in thousands)	2021		2020		2019
Operating lease cost	$	8,128		8,044		7,808
Variable lease cost		2,015		2,029		1,968
Total Lease costs	$	10,143		10,073		9,776

Supplemental Cash Flows Information

Supplemental cash flows information:
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	8,192		8,042		7,839
Right-of-use assets obtained in exchange for lease obligations:	$	6,588		2,548		57,464
Weighted average remaining lease term (years)		9.3		9.0		9.4
Weighted average discount rate		3.0	%	3.2	%	3.3	%

Future Minimum Lease Payments

Future minimum lease payments under non-cancellable leases as of December 31, 2021 were as follows:

(dollars in thousands)
Year ending December 31,
2022	$	8,125
2023		7,912
2024		7,789
2025		7,416
2026		6,443
Thereafter		22,868
Total lease payments	$	60,553
Less: Interest		7,833
Present value of lease liabilities	$	52,720