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Debt Obligations, net - Secured Term Loan and Credit Facility Narrative (Details) - USD ($)	1 Months Ended		3 Months Ended
	Sep. 30, 2019	Jun. 30, 2018	Mar. 31, 2020
Senior Term Loan | LIBOR
Line of Credit Facility [Line Items]
Basis point spread on variable interest rate (as a percent)			1.00%
Secured Debt | Senior Term Loan
Line of Credit Facility [Line Items]
Debt instrument, face amount		$ 650,000,000.0
Required quarterly principal payment (as a percent)		0.25%
Secured Debt | Senior Term Loan | LIBOR
Line of Credit Facility [Line Items]
Basis point spread on variable interest rate (as a percent)		2.75%	2.75%
Secured Debt | Senior Term Loan | LIBOR | Maximum
Line of Credit Facility [Line Items]
Basis point spread on variable interest rate (as a percent)			1.75%
Secured Debt | Revolving Credit Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity			$ 350,000,000.0
Debt instrument term (in years)			1 year
Proceeds from revolving credit facility			$ 300,000,000.0
Current borrowing capacity			$ 50,000,000.0
Secured Debt | Revolving Credit Facility | Minimum
Line of Credit Facility [Line Items]
Commitment fee percentage			0.25%
Secured Debt | Revolving Credit Facility | Maximum
Line of Credit Facility [Line Items]
Commitment fee percentage			0.45%
Secured Debt | Revolving Credit Facility | LIBOR
Line of Credit Facility [Line Items]
Basis point spread on variable interest rate (as a percent)			2.00%
Secured Debt | Revolving Credit Facility | LIBOR | Minimum
Line of Credit Facility [Line Items]
Basis point spread on variable interest rate (as a percent)	2.00%		1.00%
Secured Debt | Revolving Credit Facility | LIBOR | Maximum
Line of Credit Facility [Line Items]
Basis point spread on variable interest rate (as a percent)	2.50%
Secured Debt | Revolving Credit Facility | Base Rate | Minimum
Line of Credit Facility [Line Items]
Basis point spread on variable interest rate (as a percent)	1.00%
Secured Debt | Revolving Credit Facility | Base Rate | Maximum
Line of Credit Facility [Line Items]
Basis point spread on variable interest rate (as a percent)	1.50%

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- Definition

Debt Instrument, Periodic Principal Payment, Percent

+ References

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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- 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
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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.

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No definition available.

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- 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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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-Topic 210
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-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585

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