Lease cost:

Amortization of right-of-use assets

$

574

$

902

$

1,225

$

1,806

Interest on lease obligations

48

104

101

216

Finance lease cost

622

1,006

1,326

2,022

Operating lease cost

1,505

1,127

3,097

2,214

Short-term lease cost

3,183

3,099

7,100

6,782

Total lease cost

$

5,310

$

5,232

$

11,523

$

11,018

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

Operating cash flows from finance leases

$

101

$

216

Operating cash flows from operating leases

4,134

3,085

Financing cash flows from finance leases

1,357

2,054

$

5,592

$

5,355

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

$

1,176

$

2,116

Right-of-use assets derecognized upon early termination of finance leases

$

-

$

2

Right-of-use assets derecognized upon early termination of operating leases

$

97

$

74

Weighted-average lease term (years):

Finance leases

2.3

3.5

Operating leases

5.1

4.0

Weighted-average discount rate (percentage):

Finance leases

4.0

%

4.2

%

Operating leases

5.5

%

5.2

%