BORROWINGS - Additional Information (Details) $ in Thousands, $ in Thousands	Dec. 31, 2019 USD ($)	Dec. 31, 2019 HKD ($)	Dec. 31, 2018 HKD ($)
Borrowings
Borrowings weighted average interest rate	4.29%	4.29%	4.46%
Borrowings	$ 188,408	$ 1,467,586	$ 1,576,251
Banks
Borrowings
Unused borrowing facilities		3,326,555	4,190,779
Borrowings		1,467,586	1,176,251
Third party
Borrowings
Unused borrowing facilities		$ 0	1,100,000
Borrowings			$ 400,000

Including the current and noncurrent portions, carrying value as of the balance sheet date of all notes and loans payable (with maturities initially due after one year or beyond the operating cycle if longer).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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