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Commitments and Contingencies (Details) - USD ($)	3 Months Ended
	Dec. 31, 2019	Mar. 31, 2020
Commitments and Contingencies
Payment contingent on not meeting financial targets (up to)		$ 12,500,000
Payment contingent on excercise of option to reduce ownership percentage		25,000,000.0
Affiliate
Commitments and Contingencies
Co-investment commitments in partnership		127,000,000.0
Equity Method Investee
Commitments and Contingencies
Contingent payments through 2021		150,000,000.0
Contingent payments through 2022		77,500,000
Contingent payments through 2026		62,500,000
Expected payments		48,000,000
Contingent payments in 2020		$ 0
Noncontrolling interest, sell of ownership percentage	5.00%
Minority Owner | Equity Method Investee
Commitments and Contingencies
Ownership percentage by minority owner		14.00%

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- Definition

-- None. No documentation exists for this element. --

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No definition available.

+ Details

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- Definition

The amount that the entity agreed to co-invest in certain investment partnerships where the entity serves as the general partner.

+ References

No definition available.

+ Details

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- Definition

Noncontrolling Interest, Notification of Possible Sale of Noncontrolling Interest, Percentage

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+ Details

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- Definition

Other Commitment, Contingent Consideration, Asset

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No definition available.

+ Details

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- Definition

Other Commitment, Contingent Consideration, Option To Reduce Ownership Interest, Asset

+ References

No definition available.

+ Details

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- Definition

Other Commitment, Due In Fourth, Fifth And Sixth Year

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No definition available.

+ Details

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- Definition

Other Commitment Expected Payments

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No definition available.

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- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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No definition available.

+ Details

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- Definition

Minimum amount of other commitment maturing in the second fiscal year following the latest fiscal year for commitments not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in this taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

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No definition available.

+ Details

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- Definition

Minimum amount of other commitment maturing in the third fiscal year following the latest fiscal year for commitments not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in this taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

+ References

No definition available.

+ Details

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- Definition

Amount of other commitments maturing in the remainder of the fiscal year following the latest fiscal year ended.

+ References

No definition available.

+ Details

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