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Leases (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Leases [Abstract] |  |  |  |
Weighted average remaining lease term for operating leases | 6 years 7 months 6 days |  | 6 years 7 months 6 days |
Weighted average remaining lease term for finance leases | 4 years 2 months 12 days |  | 4 years 2 months 12 days |
Weighted average discount rate for operating leases | 4.00% |  | 4.00% |
Weighted average discount rate for finance leases | 3.80% |  | 3.80% |
Operating Lease Expense [Abstract] |  |  |  |
Operating lease cost | $ 12,400 | $ 12,869 | $ 25,215 | $ 26,005
Variable lease cost | 1,656 | 410 | 3,024 | 1,384
Short-term lease cost | 238 | 95 | 577 | 140
Sublease income | (1,828) | (1,058) | (3,812) | (2,189)
Finance Lease Expense [Abstract] |  |  |  |
Amortization of right-of-use assets | 606 | 0 | 1,217 | 0
Interest on lease liabilities | 83 | 0 | 171 | 0
Total lease expense | 13,155 | $ 12,316 | 26,392 | 25,340
Supplemental Cash Flow Information Related to Leases [Abstract] |  |  |  |
Operating cash outflow from operating leases |  |  | 27,470 | 25,955
Operating cash outflow from finance leases |  |  | 173 | 0
Financing cash outflow from finance leases |  |  | 956 | 0
Right-of-use assets obtained in exchange for operating lease obligations |  |  | 13,729 | 31,178
Right-of-use assets obtained in exchange for finance lease obligations |  |  | 59 | $ 0
Maturities of Operating Lease Liabilities [Abstract] |  |  |  |
2021 | 24,079 |  | 24,079 |
2022 | 34,753 |  | 34,753 |
2023 | 24,074 |  | 24,074 |
2024 | 18,965 |  | 18,965 |
2025 | 14,237 |  | 14,237 |
Thereafter | 41,227 |  | 41,227 |
Total | 157,335 |  | 157,335 |
Less: Finance charges | 19,479 |  | 19,479 |
Total principal liability | 137,856 |  | 137,856 |
Maturities of Financing Lease Liabilities [Abstract] |  |  |  |
2021 | 1,109 |  | 1,109 |
2022 | 2,230 |  | 2,230 |
2023 | 2,148 |  | 2,148 |
2024 | 2,035 |  | 2,035 |
2025 | 1,436 |  | 1,436 |
Thereafter | 262 |  | 262 |
Total | 9,220 |  | 9,220 |
Less: Finance charges | 722 |  | 722 |
Total principal liability | 8,498 |  | 8,498 |
Additional lease liabilities not yet commenced | $ 3,600 |  | $ 3,600 |

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- Definition Amount of increase in right-of-use asset obtained in exchange for operating lease liability. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=123414884&loc=SL77918982-209971 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(2) -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980 + Details
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- Definition Amount of short-term lease cost, excluding expense for lease with term of one month or less. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=123414884&loc=SL77918982-209971 + Details
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- Definition Amount of sublease income excluding finance and operating lease expense. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=123414884&loc=SL77918982-209971 + Details
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- Definition Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=123414884&loc=SL77918982-209971 + Details
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