Three Months Ended March 31,

2022

2021

Components of lease cost

Finance lease cost components:

Amortization of finance lease assets

$

288

$

186

Interest on finance lease liabilities

80

68

Total finance lease costs

368

254

Operating lease cost components:

Operating lease cost

698

759

Short-term lease cost

151

196

Variable lease cost (1)

226

230

Sublease income

(47

)

(46

)

Total operating lease costs

1,028

1,139

Total lease cost

$

1,396

$

1,393

Supplemental cash flow information related to our operating leases is as follows for the three months ended March 31, 2022 and 2021:

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

Operating cash outflow from operating leases

$

869

$

887

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

2.9

1.9

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

8.7

9.5

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

6.2

%

9.0

%

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

8.6

%

8.5

%