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Subsequent Events (Details) - USD ($)	Apr. 20, 2020	Apr. 09, 2020	Apr. 01, 2020	Feb. 13, 2020	Feb. 01, 2019
Subsequent Event [Line Items]
Debt Instrument, Face Amount				$ 545,500,000	$ 450,000,000.0
Subsequent Event
Subsequent Event [Line Items]
Warrants and Rights Outstanding, Term	5 years
Total Expected Receipts of Relief Through Payroll Support Program of CARES Act	$ 171,900,000
Total Amount Of Relief Granted Through Payroll Support Program Of CARES Act	86,000,000.0
Debt Instrument, Face Amount	$ 21,600,000		$ 31,000,000.0
Debt Instrument, Term	10 years
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	25,898
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 83.33	$ 83.33

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- Definition

Total Amount Of Relief Granted Through Payroll Support Program Of CARES Act

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Total Expected Receipts of Relief Through Payroll Support Program of CARES Act

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(4))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
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- Definition

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

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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

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-Section 55
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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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Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
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