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Leases (Tables) | 9 Months Ended
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Sep. 30, 2021
Leases [Abstract] |
Components of Lease Expense and Other Information related to Leases | The components of lease expense were as follows:
|  | Three Months Ended September 30, |  | Nine Months Ended September 30,
|  | 2021 |  | 2020 |  | 2021 |  | 2020
Lease expense |  |  |  |  |  |  |  |
Operating lease expense |  | $ | 7,906 |  |  | $ | 7,689 |  |  | $ | 23,395 |  |  | $ | 23,542 |
Finance lease expense: |  |  |  |  |  |  |  |
Amortization of ROU assets |  | 454 |  |  | 327 |  |  | 1,342 |  |  | 874 |
Interest on lease liabilities |  | 107 |  |  | 70 |  |  | 324 |  |  | 170 |
Short-term lease expense |  | 6,001 |  |  | 5,625 |  |  | 17,752 |  |  | 18,236 |
Total lease expense |  | $ | 14,468 |  |  | $ | 13,711 |  |  | $ | 42,813 |  |  | $ | 42,822 |
ScheduleofSupplementalCashFlowInformationRelatedtoLeases | Other information related to leases was as follows:
|  | Three Months Ended September 30, |  | Nine Months Ended September 30,
|  | 2021 |  | 2020 |  | 2021 |  | 2020
Supplemental Cash Flows Information: |  |  |  |  |  |  |  |
Cash paid for amounts included in the measurement of lease liabilities: |  |  |  |  |  |  |  |
Operating cash flows from operating leases |  | $ | 7,143 |  |  | $ | 7,339 |  |  | $ | 20,831 |  |  | $ | 20,733 |
Operating cash flows from finance leases |  | 107 |  |  | 70 |  |  | 324 |  |  | 170 |
Financing cash flows from finance leases |  | 347 |  |  | 253 |  |  | 1,008 |  |  | 665 |
ROU assets obtained in exchange for lease obligations: |  |  |  |  |  |  |  |
Operating leases |  | $ | 3,711 |  |  | $ | 1,806 |  |  | $ | 23,282 |  |  | $ | 7,491 |
Finance leases |  | $ | 187 |  |  | $ | 9,056 |  |  | $ | 276 |  |  | $ | 9,496 |
|  |  |  |  |  | September 30, 2021 |  | December 31, 2020
Weighted-average remaining lease term (in years): |  |  |  |  |  |  |  |
Operating leases |  |  |  |  |  | 6.7 |  | 4.7
Finance leases |  |  |  |  |  | 11.9 |  | 12.5
Weighted-average discount rate: |  |  |  |  |  |  |  |
Operating leases |  |  |  |  |  | 3.0 | % |  | 3.4 | %
Finance leases |  |  |  |  |  | 2.8 | % |  | 2.8 | %

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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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