Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011		Dec. 31, 2010
ASSETS
Investment in real estate	$ 387,202		$ 755,392
Cash and cash equivalents	162,391		183,827
Notes receivable	4,563		5,731
Pledged treasury securities	23,299		25,281
Prepaid pension asset	35,125		40,992
Property, plant and equipment, net	14,946		13,014
Income taxes receivable	69
Deferred tax asset	11,715
Other assets	21,981		27,458
Total assets	661,291		1,051,695
LIABILITIES:
Debt	53,458	[1]	54,651
Accounts payable and other	16,450		14,977
Accrued liabilities and deferred credits	47,491		73,233
Income tax payable			1,772
Deferred income taxes			34,625
Total liabilities	117,399		179,258
EQUITY:
Common stock, no par value; 180,000,000 shares authorized; 92,267,256 and 122,923,913 issued at December 31, 2011 and 2010, respectively	890,314		935,603
Retained (deficit) earnings	(336,873)		878,498
Accumulated other comprehensive (loss)	(9,880)		(10,546)
Treasury stock at cost, zero and 30,318,478 shares held at December 31, 2011 and 2010, respectively			(931,431)
Total stockholders' equity	543,561		872,124
Noncontrolling interest	331		313
Total equity	543,892		872,437
Total liabilities and equity	$ 661,291		$ 1,051,695

[1] (a) Includes debt defeased in connection with the sale of the Company's office portfolio in the amount of $23.3 million.