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Business Segments and Customer Information - Segment Information (Details) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 USD ($) | Sep. 30, 2021 USD ($) | Sep. 30, 2022 USD ($) segment | Sep. 30, 2021 USD ($)
Segment Reporting [Abstract] |  |  |  |
Number of operating segments | segment |  |  | 3 |
Number of reportable segments | segment |  |  | 3 |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | $ 242,487 | $ 200,582 | $ 715,439 | $ 540,675
Operating income (loss) | 17,272 | 13,892 | 43,337 | 10,781
Corporate/unallocated expenses |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating income (loss) | (1,223) | (600) | (2,841) | (2,872)
Aviation |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 102,625 | 73,124 | 300,934 | 165,010
Aviation | Operating Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating income (loss) | 10,017 | 3,719 | 24,089 | (18,885)
Fleet |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 64,754 | 60,268 | 196,526 | 173,072
Fleet | Operating Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating income (loss) | 6,539 | 5,387 | 18,286 | 15,128
Federal and Defense |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 75,108 | 67,190 | 217,979 | 202,593
Federal and Defense | Operating Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating income (loss) | $ 1,939 | $ 5,386 | $ 3,803 | $ 17,410

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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 18 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8672-108599 + Details
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- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 18 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8672-108599 + Details
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