SUBSEQUENT EVENT (Details) - Subsequent Event [Member]	1 Months Ended
Sep. 18, 2019 USD ($) ft²
Subsequent Event [Line Items]
Occupied area	128,196
Surrendered area	22,000
Surrender date	Aug. 31, 2019
Percentage of lease prior to surrender	16.00%
Annual loss of rent \| $	$ 965,000

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

No definition available.

Name:	us-gaap_SubsequentEventLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration