Business Segment Information (Details Textual) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 28, 2018	Jun. 29, 2017	Jun. 28, 2018	Jun. 29, 2017
Reimbursement Revenue	$ 8,916	$ 7,365	$ 16,688	$ 14,867
Theatres [Member]
Reimbursement Revenue	387	541	866	1,159
Hotels Resorts [Member]
Reimbursement Revenue	$ 8,529	$ 6,824	$ 15,822	$ 13,708

Repayment received or receivable for expenses incurred on behalf of a client or customer, other than those reimbursements received by landlords from tenants.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 605
-SubTopic 45
-Section 45
-Paragraph 23
-URI http://asc.fasb.org/extlink&oid=68075638&loc=d3e60722-111653

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