Revenue Recognition - Disaggregation of Revenues (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Disaggregation of Revenue
Total revenue	$ 60,688	$ 43,238	$ 111,550	$ 80,206
Air Cargo
Disaggregation of Revenue
Total revenue	22,069	18,847	42,633	37,697
Ground equipment sales
Disaggregation of Revenue
Total revenue	18,019	9,189	23,834	17,371
Commercial jet engines and parts
Disaggregation of Revenue
Total revenue	18,986	14,916	41,841	24,510
Corporate and other
Disaggregation of Revenue
Total revenue	1,614	286	3,242	628
Product Sales | Air Cargo
Disaggregation of Revenue
Revenue from customer contracts	7,533	5,615	13,887	12,188
Product Sales | Ground equipment sales
Disaggregation of Revenue
Revenue from customer contracts	17,639	8,928	23,216	16,926
Product Sales | Commercial jet engines and parts
Disaggregation of Revenue
Revenue from customer contracts	15,720	13,157	36,030	20,449
Product Sales | Corporate and other
Disaggregation of Revenue
Revenue from customer contracts	19	37	135	114
Support Services | Air Cargo
Disaggregation of Revenue
Revenue from customer contracts	14,520	13,222	28,580	25,494
Support Services | Ground equipment sales
Disaggregation of Revenue
Revenue from customer contracts	159	69	300	134
Support Services | Commercial jet engines and parts
Disaggregation of Revenue
Revenue from customer contracts	2,555	1,554	4,529	3,656
Support Services | Corporate and other
Disaggregation of Revenue
Revenue from customer contracts	974	54	1,998	117
Leasing Revenue | Air Cargo
Disaggregation of Revenue
Revenue not from customer contracts	0	0	0	0
Leasing Revenue | Ground equipment sales
Disaggregation of Revenue
Revenue not from customer contracts	29	39	73	78
Leasing Revenue | Commercial jet engines and parts
Disaggregation of Revenue
Revenue not from customer contracts	669	177	1,210	343
Leasing Revenue | Corporate and other
Disaggregation of Revenue
Revenue not from customer contracts	483	37	870	76
Other | Air Cargo
Disaggregation of Revenue
Revenue not from customer contracts	16	10	166	15
Other | Ground equipment sales
Disaggregation of Revenue
Revenue not from customer contracts	192	153	245	233
Other | Commercial jet engines and parts
Disaggregation of Revenue
Revenue not from customer contracts	42	28	72	62
Other | Corporate and other
Disaggregation of Revenue
Revenue not from customer contracts	$ 138	$ 158	$ 239	$ 321