Lease Accounting - Lessee Accounting (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Lessee, Lease, Description [Line Items]
Lessee, Operating Lease, Existence of Option to Extend [true false]			true
Weighted-average remaining lease term	8 years 10 months 24 days	8 years 9 months 18 days	8 years 10 months 24 days	8 years 9 months 18 days
Weighted-average discount rate	9.40%	9.30%	9.40%	9.30%
Cash paid for amounts included in measurement of operating lease liabilities			$ 3,800	$ 2,246
ROU assets obtained in exchange for new operating lease liabilities			12,656	4,107
Lease costs
Short-term lease costs	$ 0	$ 26	0	59
Total lease costs	4,529	3,518	8,502	6,164
Future fixed minimum payments
2024	6,494		6,494
2025	13,817		13,817
2026	13,278		13,278
2027	12,745		12,745
2028	12,490		12,490
Thereafter	61,033		61,033
Total undiscounted operating lease payments	119,857		119,857
Less: imputed interest	(40,134)		(40,134)
Total discounted operating lease liabilities	79,723		79,723
Lease
Lessee, Lease, Description [Line Items]
Operating lease commitments	$ 40,000		$ 40,000
Minimum
Lessee, Lease, Description [Line Items]
Operating lease term	1 year		1 year
Maximum
Lessee, Lease, Description [Line Items]
Operating lease term	15 years		15 years
Renewal term	5 years		5 years
Charging network cost of sales
Lease costs
Operating lease costs	$ 2,721	1,472	$ 5,150	2,791
Variable lease costs	667	778	1,113	817
General and administrative expenses
Lease costs
Operating lease costs	1,099	1,221	2,173	2,440
Variable lease costs	$ 42	$ 21	$ 66	$ 57

Amount of contractual obligation, including, but not limited to, long-term debt, lease obligation, purchase obligation, and other commitments.

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Amount of lease cost recognized by lessee for lease contract.

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Amount of lessee's undiscounted obligation for lease payment for operating lease.

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Amount of lessee's undiscounted obligation for lease payment for operating lease due after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease having initial or remaining lease term in excess of one year to be paid in remainder of current fiscal year.

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Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

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Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

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Amount of short-term lease cost, excluding expense for lease with term of one month or less.

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Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.

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