(dollars in thousands)

Twelve Months Ended

December 31, 2023

December 31, 2022

December 31, 2021

Amortization of right-of-use assets

$

689

$

2,314

$

3,620

Interest on lease liabilities

510

377

637

Operating lease cost

18,296

20,538

19,583

Short-term lease cost

7,514

13,625

4,419

Variable lease cost

1,024

232

89

Total lease cost

$

28,033

$

37,086

$

28,348

Other information

Cash paid for amounts included in the measurement of lease liabilities:

Operating cash flows from finance leases

$

510

$

377

$

637

Operating cash flows from operating leases

$

13,965

$

17,114

$

17,188

Financing cash flows from finance leases

$

5,619

$

5,516

$

5,626

Right-of-use assets obtained in exchange for new finance lease liabilities

$

5,938

$

458

$

-

Right-of-use assets obtained in exchange for new operating lease liabilities

$

3,992

$

48,515

$

15,795

Weighted-average remaining lease term—finance leases

3.8 years

5.7 years

1.0 years

Weighted-average remaining lease term—operating leases

4.6 years

4.9 years

Weighted-average discount rate—finance leases

13.2

%

5.1

%

4.7

%

Weighted-average discount rate—operating leases

10.1

%

9.1

%

6.4

%