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Commitments and Contingencies Commitments and Contingencies - Components of Lease Commitments Expense (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Commitments and Contingencies Disclosure [Abstract] |  |  |  |
Amortization of lease right-of-use assets | $ 8,129 | $ 8,150 | $ 16,412 | $ 16,024
Short-term lease expense | 530 | 610 | 734 | 1,171
Non-lease components (including taxes, insurance, common maintenance, etc.) | 2,337 | 2,897 | 5,341 | 5,824
Total operating lease expense, excluding rent | $ 10,996 | $ 11,657 | $ 22,487 | $ 23,019

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- Definition Operating lease non-lease components. Including items such as taxes, insurance, and common area maintenance costs. + References No definition available. + Details
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- Definition Operating lease, right-of-use asset, amortization + References No definition available. + Details
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- Definition Short term operating lease rent expense + References No definition available. + Details
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- Definition Total operating lease expense, excluding rent + References No definition available. + Details
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- References No definition available. + Details
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