LEASE - Balances reported in the consolidated balance sheets (Details) $ in Thousands, $ in Thousands	Dec. 31, 2025 HKD ($)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 HKD ($)
Balances reported in the consolidated balance sheets related to the leases
Operating lease right-of-use assets	$ 569,939	$ 73,226	$ 253,212
Operating lease liabilities	$ 593,932		$ 277,281

Present value of lessee's discounted obligation for lease payments from operating lease.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-1

Name:	us-gaap_OperatingLeaseLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant