Year Ended December 31,

2021

2020

Components of lease cost

Finance lease cost components:

Amortization of finance lease assets

$

984

$

619

Interest on finance lease liabilities

395

210

Total finance lease costs

1,379

829

Operating lease cost components:

Operating lease cost

2,965

2,939

Short-term lease cost

654

648

Variable lease cost (1)

870

992

Sublease income

(187

)

(183

)

Total operating lease costs

4,302

4,396

Total lease cost

$

5,681

$

5,225

Supplemental cash flow information related to our operating leases is as follows for the twelve months ended December 31, 2021 and 2020:

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

Operating cash outflow from operating leases

$

3,581

$

3,551

Right-of-use assets obtained in exchange for new

operating lease liabilities

$

907

$

4,777

Weighted-average remaining lease term-finance leases at end of period (in years)

1.9

1.7

Weighted-average remaining lease term-operating leases at end of period (in years)

8.9

9.8

Weighted-average discount rate-finance leases at end of period

6.3

%

8.3

%

Weighted-average discount rate-operating leases at end of period

8.6

%

8.7

%