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Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Disaggregation of Revenue [Line Items] |  |
Revenues | $ 231,239 | $ 164,981
Repair |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 22,363 | 18,316
Distribution |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 137,957 | 80,802
Cost Plus Contract |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 30,577 | 16,551
Fixed Price Contract |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 18,361 | 23,931
T&M Contract |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 21,981 | 25,381
Commercial |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 119,860 | 59,101
DoD |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 52,124 | 45,888
Other government |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 59,255 | 59,992
Aviation |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 93,290 | 44,371
Aviation | Repair |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 22,363 | 18,316
Aviation | Distribution |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 70,927 | 26,055
Aviation | Cost Plus Contract |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 0 | 0
Aviation | Fixed Price Contract |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 0 | 0
Aviation | T&M Contract |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 0 | 0
Aviation | Commercial |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 91,912 | 44,346
Aviation | DoD |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 0 | 0
Aviation | Other government |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 1,378 | 25
Fleet |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 67,030 | 54,747
Fleet | Repair |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 0 | 0
Fleet | Distribution |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 67,030 | 54,747
Fleet | Cost Plus Contract |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 0 | 0
Fleet | Fixed Price Contract |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 0 | 0
Fleet | T&M Contract |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 0 | 0
Fleet | Commercial |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 27,856 | 14,437
Fleet | DoD |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 1,729 | 3,102
Fleet | Other government |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 37,445 | 37,208
Federal and Defense |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 70,919 | 65,863
Federal and Defense | Repair |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 0 | 0
Federal and Defense | Distribution |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 0 | 0
Federal and Defense | Cost Plus Contract |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 30,577 | 16,551
Federal and Defense | Fixed Price Contract |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 18,361 | 23,931
Federal and Defense | T&M Contract |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 21,981 | 25,381
Federal and Defense | Commercial |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 92 | 318
Federal and Defense | DoD |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 50,395 | 42,786
Federal and Defense | Other government |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | $ 20,432 | $ 22,759

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