Line of Credit Facility, Covenant Terms, Minimum Consolidated Adjusted EBITDA

No definition available.

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Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- 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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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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-Publisher FASB
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-SubTopic 10
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
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+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

No definition available.

+ Details

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- Details

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Borrowings and Debt - Long Term Debt Excluding Consolidated Funds (Details) - USD ($)	Sep. 30, 2020	Sep. 03, 2020	Dec. 31, 2019
Fair Value, Inputs, Level 2
Debt Instrument [Line Items]
Carrying value	$ 474,200,000		$ 568,800,000
Fair value	502,700,000		588,600,000
Line of Credit \| Non-recourse Seed Capital Facility \| Fair Value, Inputs, Level 2
Debt Instrument [Line Items]
Carrying value	0		35,000,000.0
Fair value	0		35,000,000.0
Line of Credit \| Revolving credit facility
Debt Instrument [Line Items]
Face amount	450,000,000
Line of Credit \| Revolving credit facility \| Fair Value, Inputs, Level 2
Debt Instrument [Line Items]
Carrying value	80,000,000.0		140,000,000.0
Fair value	80,000,000.0		140,000,000.0
Line of Credit \| Revolving credit facility \| the "Amendment"
Debt Instrument [Line Items]
Maximum borrowing capacity		$ 150,000,000
Minimum consolidated adjusted EBITDA		10.00%
Senior notes \| Senior Notes, 4.80%, due 2026
Debt Instrument [Line Items]
Face amount	$ 275,000,000
Stated interest rate	4.80%
Senior notes \| Senior Notes, 4.80%, due 2026 \| Fair Value, Inputs, Level 2
Debt Instrument [Line Items]
Carrying value	$ 272,700,000		272,400,000
Fair value	294,400,000		287,200,000
Senior notes \| Senior Notes, 5.125%, due 2031
Debt Instrument [Line Items]
Face amount	$ 125,000,000
Stated interest rate	5.125%
Senior notes \| Senior Notes, 5.125%, due 2031 \| Fair Value, Inputs, Level 2
Debt Instrument [Line Items]
Carrying value	$ 121,500,000		121,400,000
Fair value	128,300,000		126,400,000
Total third party borrowings \| Fair Value, Inputs, Level 2
Debt Instrument [Line Items]
Carrying value	474,200,000		533,800,000
Fair value	502,700,000		553,600,000
Non-recourse Seed Capital Facility \| Fair Value, Inputs, Level 2
Debt Instrument [Line Items]
Carrying value	0		35,000,000.0
Fair value	$ 0		$ 35,000,000.0