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Lease Accounting (Tables)

3 Months Ended

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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