CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
ASSETS
Investment in real estate, net	$ 321,122	$ 321,812
Cash and cash equivalents	289,708	34,515
Investments	385,380	636,878
Restricted investments	7,099	7,940
Notes receivable, net	22,354	24,270
Pledged treasury securities	25,512	25,670
Property and equipment, net of accumulated depreciation of $61.4 million and $60.3 million at March 31, 2015 and December 31, 2014, respectively	10,505	10,203
Other assets	34,400	31,990
Investments held by special purpose entities	209,412	209,857
Total assets	1,305,492	1,303,135
LIABILITIES:
Debt	66,487	63,804
Accounts payable	14,826	12,554
Accrued liabilities and deferred credits	32,588	34,911
Deferred tax liabilities	35,467	34,824
Senior Notes held by special purpose entities	177,366	177,341
Total liabilities	326,734	323,434
EQUITY:
Common stock, no par value; 180,000,000 shares authorized; 92,322,905 issued and 92,302,636 outstanding at March 31, 2015 and December 31, 2014	892,237	892,237
Retained earnings	78,844	80,582
Accumulated other comprehensive loss	(552)	(1,325)
Treasury stock at cost, 20,269 held at March 31, 2015 and December 31, 2014	(285)	(285)
Total stockholders' equity	970,244	971,209
Non-controlling interest	8,514	8,492
Total equity	978,758	979,701
Total liabilities and equity	1,305,492	1,303,135
Variable Interest Entities
ASSETS
Investment in real estate, net	44,865	43,709
Cash and cash equivalents	3,920	3,455
Other assets	7,618	8,781
Investments held by special purpose entities	209,412	209,857
Total assets	265,815	265,802
LIABILITIES:
Debt	33,789	31,618
Accounts payable	1,425	1,511
Accrued liabilities and deferred credits	2,064	4,142
Senior Notes held by special purpose entities	177,366	177,341
Total liabilities	$ 214,644	$ 214,612