Capital Stock and Changes in Capital Accounts - Dividends (Details) - USD ($) $ in Thousands	3 Months Ended
Jul. 31, 2025	Jul. 31, 2024
Stockholders' Equity Note [Abstract]
Total dividend	$ 18,985	$ 19,184

Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 15
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-15

Name:	us-gaap_PaymentsOfDividendsCommonStock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration