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Property and Equipment | 9 Months Ended
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Sep. 30, 2021
Property, Plant and Equipment [Abstract] |
Property, Plant and Equipment Disclosure | Property and Equipment The following table summarizes the Company's property and equipment as of the dates indicated:
(in thousands) | September 30, 2021 |  | December 31, 2020
Flight equipment, including pre-delivery deposits | $ | 2,474,650 |  |  | $ | 2,331,499 |
Computer hardware and software | 157,334 |  |  | 149,727 |
Land and buildings/leasehold improvements (1) | 87,657 |  |  | 87,030 |
Other property and equipment | 97,965 |  |  | 80,601 |
Total property and equipment | 2,817,606 |  |  | 2,648,857 |
Less accumulated depreciation and amortization | (669,618) |  |  | (598,546) |
Property and equipment, net | $ | 2,147,988 |  |  | $ | 2,050,311 |
(1) Balance for 2021 and 2020 includes a building currently held for sale in Chesterfield, Missouri with a carrying value of $4.3 million as of September 30, 2021. Accrued capital expenditures as of September 30, 2021 and December 31, 2020 were $12.7 million and $16.9 million, respectively.

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- Definition The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=120429125&loc=d3e99893-112916 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI http://asc.fasb.org/topic&trid=2155823 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=120429125&loc=SL120174063-112916 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120429125&loc=d3e99779-112916 + Details
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