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Lease Accounting (Tables) | 3 Months Ended
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Mar. 31, 2022
Lessee, Lease, Description [Line Items] |
Schedule of component of lease assets and liabilities | ​
​ | ​ | ​ | ​
​ | ​ | March 31,
(in thousands) | ​ | 2022
Assets | ​ | ​ | ​
Right-of-use assets, net | ​ | $ | 23,753
​ | ​ | ​ | ​
Liabilities | ​ | ​ | ​
Lease liabilities, current | ​ | $ | 3,004
Lease liabilities, noncurrent | ​ | ​ | 19,621
Total lease liabilities | ​ | $ | 22,625
Schedule of lease cost | ​
​ | ​ | ​ | ​
​ | ​ | Three
​ | ​ | Months Ended
​ | ​ | March 31,
(in thousands) | ​ | 2022
Operating lease costs1 | ​ | ​ | ​
Cost of sales | ​ | $ | 361
Selling, general and administrative expenses | ​ | ​ | 673
Variable lease costs | ​ | ​ | ​
Cost of sales | ​ | ​ | 90
Selling, general and administrative expenses | ​ | ​ | 21
Short-term lease costs | ​ | ​ | 12
​ | ​ | $ | 1,157
1Rental expense for all property and equipment operating leases was $0.5 million for the three months ended March 31, 2021.
Schedule of future fixed minimum payments | ​
​ | ​ | ​ | ​
(in thousands) | ​ | ​
2022 | ​ | $ | 3,068
2023 | ​ | ​ | 4,605
2024 | ​ | ​ | 4,080
2025 | ​ | ​ | 3,109
2026 | ​ | ​ | 2,686
2027 | ​ | ​ | 2,403
Thereafter | ​ | ​ | 8,274
Total undiscounted operating lease payments | ​ | ​ | 28,225
Less: imputed interest | ​ | ​ | (5,600)
Total discounted operating lease liabilities | ​ | $ | 22,625
Schedule of future minimum payments under non-cancellable operating leases | ​
​ | ​ | ​ | ​
(in thousands) | ​ | ​ | ​
2022 | ​ | $ | 3,486
2023 | ​ | ​ | 3,515
2024 | ​ | ​ | 2,987
2025 | ​ | ​ | 2,093
2026 | ​ | ​ | 1,767
Thereafter | ​ | ​ | 5,570
​ | ​ | $ | 19,418
Schedule of operating lease liability supplemental information | ​
​ | ​ | ​ | ​ | ​
​ | ​ | March 31,
(dollars in thousands) | ​ | 2022
Weighted-average remaining lease term | ​ | 7.6 years | ​
Weighted-average discount rate | ​ | ​ | 5.71 | %
Schedule of operating lease liability cash flow information | ​
​ | ​ | ​ | ​
​ | ​ | Three
​ | ​ | Months Ended
​ | ​ | March 31,
(in thousands) | ​ | 2022
Cash paid for amounts included in measurement of operating lease liabilities | ​ | $ | 910
Right-of-use assets obtained in exchange for new operating lease liabilities | ​ | $ | 5,008
Schedule of operating lease income | ​
​ | ​ | ​ | ​
​ | ​ | Three
​ | ​ | Months Ended
​ | ​ | March 31,
(in thousands) | ​ | 2022
Operating lease income: | ​ | ​ | ​
Fixed lease income | ​ | $ | 261
Variable lease income | ​ | ​ | 170
Total lease income1 | ​ | $ | 431
1Lease income was $0.4 million for the three months ended March 31, 2021.
Schedule of future minimum rental payments due to as lessor under operating leases (including subleases) | ​
​ | ​ | ​ | ​
(in thousands) | ​ | ​ | ​
2022 | ​ | $ | 677
2023 | ​ | ​ | 480
2024 | ​ | ​ | 480
2025 | ​ | ​ | 480
2026 | ​ | ​ | 240
​ | ​ | $ | 2,357
Schedule of property and equipment, net | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | March 31, | ​ | December 31,
(in thousands) |  | 2022 |  | 2021
Construction in process | ​ | $ | 58,663 | ​ | $ | 39,116
Charging equipment | ​ |  | 8,090 | ​ |  | 8,611
Charging station equipment | ​ |  | 49,211 | ​ |  | 42,799
Charging station installation costs | ​ | ​ | 75,195 | ​ | ​ | 63,932
Software | ​ | ​ | 6,137 | ​ | ​ | 5,295
Office equipment and vehicles | ​ |  | 1,051 | ​ |  | 846
​ | ​ |  | 198,347 | ​ |  | 160,599
Less accumulated depreciation and amortization | ​ |  | (32,213) | ​ |  | (27,317)
Total property, equipment and software, net | ​ | $ | 166,134 | ​ | $ | 133,282
Charging station equipment and construction costs |
Lessee, Lease, Description [Line Items] |
Schedule of property and equipment, net | ​
​ | ​ | ​ | ​
​ | ​ | March 31,
(in thousands) | ​ | 2022
Charging station equipment and construction costs | ​ | $ | 4,065
Less: accumulated depreciation | ​ | ​ | (775)
​ | ​ | $ | 3,290

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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980 + Details
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