Revenue

9 Months Ended

Sep. 30, 2023

Revenue from Contract with Customer [Abstract]

Revenue

Revenue

Disaggregation of Revenues

Our revenues are derived from the delivery of products to our customers and from services performed for commercial and government customers.

A summary of revenues by customer for each of our operating segments for the three and nine months ended September 30, 2023 and 2022 is as follows (in thousands):

	Three months ended September 30, 2023						Nine months ended September 30, 2023
	Aviation		Fleet		Total		Aviation		Fleet		Total
Commercial	$	150,715	$	37,430	$	188,145	$	386,595	$	108,011	$	494,606
Other government	1,640		41,568		43,208		3,724		126,833		130,557
Total	$	152,355	$	78,998	$	231,353	$	390,319	$	234,844	$	625,163

	Three months ended September 30, 2022						Nine months ended September 30, 2022
	Aviation		Fleet		Total		Aviation		Fleet		Total
Commercial	$	101,735	$	25,394	$	127,129	$	296,996	$	79,257	$	376,253
DoD	—		183		183		—		3,176		3,176
Other government	890		39,177		40,067		3,938		114,093		118,031
Total	$	102,625	$	64,754	$	167,379	$	300,934	$	196,526	$	497,460

A summary of revenues by type for each of our operating segments for the three and nine months ended September 30, 2023 and 2022 is as follows (in thousands):

	Three months ended September 30, 2023						Nine months ended September 30, 2023
	Aviation		Fleet		Total		Aviation		Fleet		Total
Repair	$	44,713	$	—	$	44,713	$	112,328	$	—	$	112,328
Distribution	107,642		78,998		186,640		277,991		234,844		512,835
Total	$	152,355	$	78,998	$	231,353	$	390,319	$	234,844	$	625,163

	Three months ended September 30, 2022						Nine months ended September 30, 2022
	Aviation		Fleet		Total		Aviation		Fleet		Total
Repair	$	28,979	$	—	$	28,979	$	77,308	$	—	$	77,308
Distribution	73,646		64,754		138,400		223,626		196,526		420,152
Total	$	102,625	$	64,754	$	167,379	$	300,934	$	196,526	$	497,460

Contract Balances

Contract balances were as follows (in thousands):

		September 30,		December 31,
	Financial Statement Classification	2023		2022
Contract assets	Unbilled receivables	$	6,257	$	7,409
Contract liabilities	Accrued expenses and other current liabilities	$	2,333	$	963

For the nine months ended September 30, 2023 and 2022, we recognized revenue that was previously included in the beginning balance of contract liabilities of $0.9 million and $0.5 million, respectively.