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Leases | 3 Months Ended
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Mar. 31, 2023
Leases [Abstract] |
Leases | Leases The Company leases certain office space, construction and office equipment, vehicles and temporary housing generally under non-cancelable operating leases. Leases with an initial term of one year or less are not recorded on the balance sheet, and the Company generally recognizes lease expense for these leases on a straight-line basis over the lease term. As of March 31, 2023, the Company’s operating leases have remaining lease terms ranging from less than one year to 15 years, some of which include options to renew the leases. The exercise of lease renewal options is generally at the Company’s sole discretion. The Company’s leases do not contain any material residual value guarantees or material restrictive covenants. The following table presents components of lease expense for the three months ended March 31, 2023 and 2022:
| Three Months Ended March 31, |  |
(in thousands) | 2023 | 2022 |  |  |
Operating lease expense | $ | 3,474 |  | $ | 4,157 |  |  |  |
Short-term lease expense(a) | 13,919 |  | 14,444 |  |  |  |
| 17,393 |  | 18,601 |  |  |  |
Less: Sublease income | 194 |  | 190 |  |  |  |
Total lease expense | $ | 17,199 |  | $ | 18,411 |  |  |  |
____________________________________________________________________________________________________ (a)Short-term lease expense includes all leases with lease terms of up to one year. Short-term leases include, among other things, construction equipment rented on an as-needed basis as well as temporary housing. The following table presents supplemental balance sheet information related to operating leases:
(dollars in thousands) | Balance Sheet Line Item | As of March 31, 2023 | As of December 31, 2022
Assets |  |  |
Right-of-use assets | Other assets | $ | 49,147 |  | $ | 50,825 |
Total lease assets |  | $ | 49,147 |  | $ | 50,825 |
Liabilities |  |  |
Current lease liabilities | Accrued expenses and other current liabilities | $ | 6,290 |  | $ | 6,709 |
Long-term lease liabilities | Other long-term liabilities | 48,006 |  | 49,176 |
Total lease liabilities |  | $ | 54,296 |  | $ | 55,885 |
Weighted-average remaining lease term |  | 11.0 years | 11.0 years
Weighted-average discount rate |  | 11.81 | % | 11.77 | %
The following table presents supplemental cash flow information and non-cash activity related to operating leases:
| Three Months Ended March 31,
(in thousands) | 2023 | 2022
Operating cash flow information: |  |
Cash paid for amounts included in the measurement of lease liabilities | $ | (3,446) |  | $ | (3,927) |
Non-cash activity: |  |
Right-of-use assets obtained in exchange for lease liabilities | $ | 318 |  | $ | 6,757 |
The following table presents maturities of operating lease liabilities on an undiscounted basis as of March 31, 2023:
Year (in thousands) | Operating Leases
2023 (excluding the three months ended March 31, 2023) | $ | 9,198 |
2024 | 10,028 |
2025 | 8,910 |
2026 | 7,478 |
2027 | 6,770 |
Thereafter | 58,094 |
Total lease payments | 100,478 |
Less: Imputed interest | 46,182 |
Total | $ | 54,296 |

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- Definition The entire disclosure for operating leases of lessee. Includes, but is not limited to, description of operating lease and maturity analysis of operating lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -URI https://asc.fasb.org/subtopic&trid=77888251 + Details
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