Revenue Recognition (Tables)

12 Months Ended

Dec. 31, 2022

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

A summary of revenues by customer for each of our operating segments for the years ended December 31, 2022, 2021 and 2020 were as follows (in thousands):

Year Ended December 31, 2022	Fleet		Aviation		Federal and Defense		Total
Commercial	$	104,162	$	403,155	$	583	$	507,900
DoD	3,286		—		224,436		227,722
Other government	153,888		4,957		55,295		214,140
Total	$	261,336	$	408,112	$	280,314	$	949,762

Year Ended December 31, 2021
Commercial	$	73,606	$	245,380	$	3,332	$	322,318
DoD	12,689		—		220,733		233,422
Other government	147,237		2,472		45,404		195,113
Total	$	233,532	$	247,852	$	269,469	$	750,853

Year Ended December 31, 2020
Commercial	$	42,733	$	163,695	$	1,877	$	208,305
DoD	20,744		1,093		214,560		236,397
Other government	178,693		282		37,982		216,957
Total	$	242,170	$	165,070	$	254,419	$	661,659

A summary of revenues by type for each of our operating segments for the year ended December 31, 2022, 2021 and 2020 were as follows (in thousands):

Year Ended December 31, 2022	Fleet		Aviation		Federal and Defense		Total
Repair	$	—	$	107,399	$	—	$	107,399
Distribution	261,336		300,713		—		562,049
Cost Plus Contract	—		—		139,958		139,958
Fixed Price Contract	—		—		98,674		98,674
T&M Contract	—		—		41,682		41,682
Total	$	261,336	$	408,112	$	280,314	$	949,762

Year Ended December 31, 2021
Repair	$	—	$	75,725	$	—	$	75,725
Distribution	233,532		172,127		—		405,659
Cost Plus Contract	—		—		93,694		93,694
Fixed Price Contract	—		—		105,495		105,495
T&M Contract	—		—		70,280		70,280
Total	$	233,532	$	247,852	$	269,469	$	750,853

Year Ended December 31, 2020
Repair	$	—	$	82,445	$	—	$	82,445
Distribution	242,170		82,625		—		324,795
Cost Plus Contract	—		—		79,064		79,064
Fixed Price Contract	—		—		138,406		138,406
T&M Contract	—		—		36,949		36,949
Total	$	242,170	$	165,070	$	254,419	$	661,659

Receivables, net and unbilled receivables as of December 31, 2022 and 2021, respectively, were as follows (in thousands):

	2022		2021
Receivables, net(1)	$	103,193	$	76,587
Unbilled receivables	38,307		31,882
Total	$	141,500	$	108,469
(1) Net of allowance of $2.1 million and $1.7 million as of December 31, 2022 and 2021, respectively.