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(Tables) | 12 Months Ended
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Dec. 31, 2021
Leases [Abstract] |
Components of Lease Expense | Our lease obligations consist of operating and finance leases related to real estate and equipment. The components of lease cost are as follows (in thousands):
|  |  | Years Ended December 31,
| Income Statement Classification |  | 2019 |  |  |  |  | 2020 |  | 2021
Operating lease cost | Facilities and grounds expense(1) |  | $ | 3,722 |  |  |  |  |  | $ | 3,795 |  |  | $ | 3,762 |
Short-term lease cost | Facilities and grounds expense(1) |  | 250 |  |  |  |  |  | 185 |  |  | 193 |
Variable lease cost | Facilities and grounds expense(1) |  | 27 |  |  |  |  |  | 39 |  |  | 160 |
Finance lease cost: |  |  |  |  |  |  |  |  |  |
Depreciation of leased assets | Depreciation and amortization(2) |  | $ | 498 |  |  |  |  |  | $ | 439 |  |  | $ | 438 |
Interest on lease liabilities | Interest expense |  | 520 |  |  |  |  |  | 496 |  |  | 471 |
Total finance lease cost |  |  | 1,018 |  |  |  |  |  | 935 |  |  | 909 |
Total lease cost |  |  | $ | 5,017 |  |  |  |  |  | $ | 4,954 |  |  | $ | 5,024 |
(1) | Facilities and grounds expense is included within Cost of service and General, administrative and other on our Consolidated Statements of Operations.
(2) | Depreciation and amortization expense is included within Field depreciation expense and Home office depreciation and amortization on our Consolidated Statements of Operations.
Supplemental cash flow information related to our leases is as follows (in thousands):
| Years Ended December 31,
| 2019 |  | 2020 |  | 2021
Cash paid for operating leases included in operating activities | $ | 3,910 |  |  | $ | 3,383 |  |  | $ | 3,822 |
Cash paid for finance leases included in financing activities | 872 |  |  | 828 |  |  | 835 |
Right-of-use assets obtained in exchange for new leases are as follows (in thousands):
| Years Ended December 31,
| 2020 |  | 2021
Right-of-use assets obtained in exchange for new operating lease liabilities | $ | 782 |  |  | $ | (1,313) |
Right-of-use assets obtained in exchange for new finance lease liabilities | — |  |  | — |
During the year ended December 31, 2021, we received a leasehold improvement allowance of $1.4 million for the renovation of our home office space in Houston, Texas from our lessor. We recorded a leasehold improvement asset as property, plant and equipment and reduced our right-of-use asset by $1.4 million. The leasehold improvement allowance will be recognized prospectively by ratably reducing the lease expense over the remaining lease term. Supplemental balance sheet information related to leases is as follows (in thousands):
Lease Type |  | Balance Sheet Classification |  | December 31, 2020 |  | December 31, 2021
Operating lease right-of-use assets |  | Operating lease right-of-use assets |  | $ | 21,201 |  |  | $ | 17,881 |
Finance lease right-of-use assets |  | Property, plant and equipment, net |  | 6,770 |  |  | 6,770 |
Accumulated depreciation |  | Property, plant and equipment, net |  | (2,005) |  |  | (2,443) |
Finance lease right-of-use assets, net |  |  |  | $ | 4,765 |  |  | $ | 4,327 |
Operating lease current liabilities |  | Current portion of operating lease obligations |  | $ | 2,082 |  |  | $ | 1,913 |
Finance lease current liabilities |  | Current portion of finance lease obligations |  | 323 |  |  | 375 |
Total current lease liabilities |  |  |  | $ | 2,405 |  |  | $ | 2,288 |
Operating lease non-current liabilities |  | Obligations under operating leases, net of current portion |  | $ | 20,302 |  |  | $ | 18,520 |
Finance lease non-current liabilities |  | Obligations under finance leases, net of current portion |  | 5,531 |  |  | 5,157 |
Total non-current lease liabilities |  |  |  | $ | 25,833 |  |  | $ | 23,677 |
Total lease liabilities |  |  |  | $ | 28,238 |  |  | $ | 25,965 |
The average lease terms and discount rates at December 31, 2021 are as follows:
| Weighted-average remaining lease term (years) |  | Weighted-average discount rate
Operating leases | 9.8 |  | 8.1 | %
Finance leases | 12.1 |  | 8.2 | %
Maturities of Operating Lease Liabilities | The aggregate future lease payments for operating and finance leases at December 31, 2021 are as follows (in thousands):
| Operating |  | Finance
Lease payments due: |  |  |
2022 | $ | 3,470 |  |  | $ | 868 |
2023 | 3,342 |  |  | 860 |
2024 | 3,316 |  |  | 791 |
2025 | 3,161 |  |  | 736 |
2026 | 3,129 |  |  | 745 |
Thereafter | 13,059 |  |  | 4,810 |
Total lease payments | $ | 29,477 |  |  | $ | 8,810 |
Less: Interest | (9,044) |  |  | (3,278) |
Present value of lease liabilities | $ | 20,433 |  |  | $ | 5,532 |
Maturities of Financing Lease Liabilities | The aggregate future lease payments for operating and finance leases at December 31, 2021 are as follows (in thousands):
| Operating |  | Finance
Lease payments due: |  |  |
2022 | $ | 3,470 |  |  | $ | 868 |
2023 | 3,342 |  |  | 860 |
2024 | 3,316 |  |  | 791 |
2025 | 3,161 |  |  | 736 |
2026 | 3,129 |  |  | 745 |
Thereafter | 13,059 |  |  | 4,810 |
Total lease payments | $ | 29,477 |  |  | $ | 8,810 |
Less: Interest | (9,044) |  |  | (3,278) |
Present value of lease liabilities | $ | 20,433 |  |  | $ | 5,532 |

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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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- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918701-209980 + Details
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