CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
ASSETS
Cash and cash equivalents (includes $43,171 and $41,634 in a consolidated subsidiary that has restrictions on distributions)	$ 52,004	$ 50,857
Restricted cash (includes $56,098 and $53,957 related to CFVs)	76,976	55,313
Bonds available-for-sale (includes $868,668 and $925,346 pledged as collateral)	896,322	969,394
Investments in Lower Tier Property Partnerships related to CFVs	312,725	333,335
SA Fund investments related to CFVs	156,723	161,433
Real estate held-for-use, net (includes $17,997 and $17,756 pledged as collateral and $153,427 and $111,931 related to CFVs)	171,424	129,687
Real estate held-for-sale related to CFVs	0	15,338
Investment in preferred stock	31,371	31,371
Other assets (includes $12,457 and $14,691 pledged as collateral and $22,768 and $17,568 related to CFVs)	48,268	55,024
Total assets	1,745,813	1,801,752
LIABILITIES AND EQUITY
Debt (includes $49,903 and $55,433 related to CFVs)	1,018,707	1,042,959
Derivative liabilities	2,698	3,544
Accounts payable and accrued expenses	13,369	12,498
Unfunded equity commitments to Lower Tier Property Partnerships related to CFVs	15,157	15,881
Other liabilities (includes $7,883 and $6,150 related to CFVs)	16,179	15,145
Total liabilities	1,066,110	1,090,027
Commitments and contingencies
Equity:
Perpetual preferred shareholders' equity in a subsidiary company, liquidation preference of $121,000 and $159,000 at June 30, 2013 and December 31, 2012	117,978	155,033
Noncontrolling interests in CFVs and IHS (net of $1,533 and $1,533 of subscriptions receivable)	497,110	511,791
Common shareholders' equity:
Common shares, no par value (41,112,560 and 40,638,614 shares issued and outstanding and 1,234,153and 1,873,348 non-employee directors' and employee deferred shares issued at June 30, 2013 and December 31, 2012, respectively)	(54,291)	(93,786)
Accumulated other comprehensive income	118,906	138,687
Total common shareholders' equity	64,615	44,901
Total equity	679,703	711,725
Total liabilities and equity	1,745,813	1,801,752
Consolidated Funds and Ventures [Member]
ASSETS
Restricted cash (includes $56,098 and $53,957 related to CFVs)	56,098	53,957
Real estate held-for-use, net (includes $17,997 and $17,756 pledged as collateral and $153,427 and $111,931 related to CFVs)	153,427	111,931
Other assets (includes $12,457 and $14,691 pledged as collateral and $22,768 and $17,568 related to CFVs)	22,768	17,568
LIABILITIES AND EQUITY
Debt (includes $49,903 and $55,433 related to CFVs)	49,903	55,433
Other liabilities (includes $7,883 and $6,150 related to CFVs)	$ 7,883	$ 6,150