Pension And Other Liabilities (Summary Of Other Liabilities Including Pension) (Details) - USD ($) $ in Thousands		Dec. 31, 2017		Dec. 31, 2016		Dec. 31, 2015	Aug. 29, 2014
Other Liabilities [Abstract]
Liability for demolition and remediation costs	[1]	$ 2,781		$ 5,914
Lease liability	[2]	5,900		5,900
Accrued pension	[3]	2,907		2,223
Security deposit payable		91		77
Other				17
Other current liabilities		11,679		14,131	[4]
Straight-line rent liability		13,444		12,413
Accrued pension		5,228	[3]	5,732	[3]		$ 7,500
Lease make-good provision		5,648		5,146		$ 5,228
Environmental reserve		1,656		1,656
Interest rate swap				58
Deferred revenue - real estate		18		4,398
Acquired leases		186		267
Other		469		495
Other liabilities		$ 26,649		$ 30,165	[4]

[1] Refer to Note 19 - Insurance Recoveries on Impairment and Related Losses due to Earthquake for details on the estimation of the demolition costs for our Courtenay Central parking structure.

[2] Represents the lease liability of the option associated with the ground lease purchase of the Village East Cinema. See below for more information.

[3] Represents the pension liability associated with the Supplemental Executive Retirement Plan explained below.

[4] Certain prior year balances have been reclassified to conform to the 2017 presentation (see Note 2 - Summary of Significant Accounting Policies - Reclassifications).