Real Estate Fund Investments (Income from the Fund and the Co-Investment) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Details Of Income From Real Estate Funds
Income (loss) from real estate fund investments	$ 11,066	$ (226,327)	$ (104,082)
Less (income) loss attributable to noncontrolling interests in consolidated subsidiaries	(24,014)	139,894	24,547
Real estate fund investments
Details Of Income From Real Estate Funds
Net investment income (loss)	6,445	(220)	2,027
Net unrealized income (loss) on held investments	3,257	(226,107)	(106,109)
Net realized income on exited investments	1,364	0	0
Income (loss) from real estate fund investments	11,066	(226,327)	(104,082)
Less (income) loss attributable to noncontrolling interests in consolidated subsidiaries	(7,309)	163,213	55,274
Income (loss) from real estate fund investments net of noncontrolling interests in consolidated subsidiaries	$ 3,757	$ (63,114)	$ (48,808)

The net realized gain (loss) on investments sold during the period, not including gains (losses) on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity, which, for cash flow reporting, is a component of proceeds from investing activities.

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-Topic 230
-SubTopic 10
-Section 45
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Amount of net income (loss) recognized from investments in real estate partnerships and variable interest entities.

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Amount, after investment expense, of income earned from investments in securities and real estate. Includes, but is not limited to, real estate investment, policy loans, dividends, and interest. Excludes realized gain (loss) on investments.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 220
-Section S99
-Paragraph 1
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Amount after tax of income (loss) attributable to nonredeemable noncontrolling shareholder, unit holder, partner, or other equity holder of a joint venture.

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-Publisher FASB
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Amount of unrealized gain (loss) on investment.

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This element represents the income (loss) from the Real Estate Fund before allocation to noncontrolling interests

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