COST OF REVENUES - Land sale cost of revenues, net (Details) - Land sale revenues - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2022	Oct. 31, 2021
Property, Plant and Equipment [Line Items]
Land sale cost of revenues	$ 9,155	$ 6,154	$ 12,986	$ 11,765
Less:
Public improvement district reimbursements	34	15	325	239
Private infrastructure covenant reimbursements	114	31	293	83
Payments for impact fee credits	535	78	589	323
Cost of revenues, net	$ 8,472	$ 6,030	$ 11,779	$ 11,120

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 924
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 11.L)
-URI https://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2(a),(d))
-URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227

Name:	us-gaap_CostOfGoodsAndServicesSold
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration