Real Estate Fund Investments (Income from the Fund and the Co-Investment) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Investment Holdings
(Loss) income from real estate fund investments	$ (19)	$ 5,674
Less net loss (income) attributable to noncontrolling interests in consolidated subsidiaries	9,928	(9,374)
Real Estate Investments
Investment Holdings
Previously recorded unrealized loss on exited investments	247,575	0
Realized loss on exited investments	(247,575)	0
Net investment (loss) income	(19)	2
Net unrealized income on held investments	0	5,672
(Loss) income from real estate fund investments	(19)	5,674
Less net loss (income) attributable to noncontrolling interests in consolidated subsidiaries	239	(3,964)
Income from real estate fund investments net of noncontrolling interests in consolidated subsidiaries	$ 220	$ 1,710

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.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(2))
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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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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.19)
-URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227

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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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Real Estate Transfer Tax Paid

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