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Fair Value Of Financial Instruments (Schedule Of Fair Value Of Investments In And Unfunded Commitments To Funds Measured At Net Asset Value) (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
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Fair Value Investments Entities That Calculate Net Asset Value Per Share [Line Items] |  |
Fair value of investments | $ 28,278 | $ 32,967
Unfunded commitments | 14,605 | 15,635
Partnership Interests [Member] |  |
Fair Value Investments Entities That Calculate Net Asset Value Per Share [Line Items] |  |
Fair value of investments | 25,287 | 24,261
Unfunded commitments | 13,424 | 14,454
Money Market Funds [Member] |  |
Fair Value Investments Entities That Calculate Net Asset Value Per Share [Line Items] |  |
Fair value of investments | 2,013 | 4,706
Mutual Funds [Member] |  |
Fair Value Investments Entities That Calculate Net Asset Value Per Share [Line Items] |  |
Fair value of investments | 530 | 3,632
Private Equity Funds [Member] |  |
Fair Value Investments Entities That Calculate Net Asset Value Per Share [Line Items] |  |
Fair value of investments | 448 | 368
Unfunded commitments | $ 1,181 | $ 1,181

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- Definition Fair value of investment other than investment in equity security, investment in debt security and equity method investment. Includes, but is not limited to, investment in certain entities that calculate net asset value per share. Example includes, but is not limited to, investment in hedge fund, venture capital fund, private equity fund, and real estate partnership or fund. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 35 -Paragraph 54B -Publisher FASB -URI https://asc.fasb.org//1943274/2147482134/820-10-35-54B Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-6A + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition The amount of unfunded commitments for which the entity is obligated, to those certain investments for which net asset value per share is calculated (including by unit, membership interest, or other equity (ownership interest) unit measure) (alternative investments). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 6A -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-6A + Details
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