Senior Note Additional Information [Abstract]

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- Definition

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

+ 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 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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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.

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- Definition

Amount of the required periodic payments applied to interest.

+ 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 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph e
-URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823

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Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.16(a))
-URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.16)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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Debt Senior Note Additional Information (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended		36 Months Ended	37 Months Ended
	Jun. 30, 2020	Jan. 14, 2023	Jan. 14, 2022	Jan. 15, 2026	Jan. 14, 2021	Dec. 31, 2019	Jan. 19, 2018	Dec. 22, 2017
Senior Note Additional Information [Abstract]
Senior notes							$ 100,000	$ 300,000
Debt Instrument [Line Items]
Debt Instrument, Periodic Payment, Interest	$ 10,000
Senior Notes [Member]
Senior Note Additional Information [Abstract]
Senior notes	$ 400,000					$ 400,000
Debt Instrument [Line Items]
Debt Instrument, interest rate, stated percentage						5.00%
Forecast [Member] \| Debt Instrument, Redemption, Period One [Member]
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage			102.50%
Forecast [Member] \| Debt Instrument, Redemption, Period Two [Member]
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage		101.25%
Forecast [Member] \| Debt Instrument, Redemption, Period Three [Member]
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage				100.00%
Forecast [Member] \| Debt Instrument, Redemption, Period Four [Member]
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage					105.00%
Forecast [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage					35.00%
Forecast [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage					65.00%