CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012		Dec. 31, 2011
ASSETS
Investment in real estate	$ 370,647		$ 387,202
Cash and cash equivalents	165,980		162,391
Notes receivable, net	3,975		4,563
Pledged treasury securities	26,818		23,299
Prepaid pension asset	33,356		35,125
Property and equipment, net	12,149		14,946
Income taxes receivable	236		69
Deferred tax asset	11,957		11,715
Other assets	20,403		21,981
Total assets	645,521		661,291
LIABILITIES:
Debt	36,062	[1]	53,458
Accounts payable and other	14,773		16,450
Accrued liabilities and deferred credits	42,352		47,491
Total liabilities	93,187		117,399
EQUITY:
Common stock, no par value; 180,000,000 shares authorized; 92,285,408 and 92,267,256 issued at December 31, 2012 and 2011, respectively	891,798		890,314
Accumulated deficit	(330,861)		(336,873)
Accumulated other comprehensive loss	(8,652)		(9,880)
Treasury stock at cost, 16,891 and zero shares held at December 31, 2012 and 2011, respectively	(260)
Total stockholders' equity	552,025		543,561
Non-controlling interest	309		331
Total equity	552,334		543,892
Total liabilities and equity	$ 645,521		$ 661,291

[1] Includes debt defeased in connection with the sale of the Company's office portfolio in the amount of $26.8 million.