Collective Bargaining Agreement, Term

No definition available.

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- Definition

Debt Instrument, Interest Rate, Stated Percentage, Cash

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Percentage of Aggregate Principal Amount Issued

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Tender Premium

+ References

No definition available.

+ Details

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- Definition

Write off of Deferred Financing Cost

+ References

No definition available.

+ Details

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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=119993939&loc=d3e28551-108399

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

+ Details

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Period Type:	instant

- 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=120391452&loc=d3e13212-122682

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- Definition

Face (par) amount of the original debt instrument that was repurchased.

+ References

No definition available.

+ Details

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

- Definition

Amount, after accumulated amortization, of debt discount.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28541-108399

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

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- Definition

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.

+ References

No definition available.

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- Details

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Subsequent Events (Details) - USD ($)	Apr. 16, 2021	Apr. 14, 2021	Apr. 09, 2021	Mar. 31, 2021	Dec. 31, 2020	Jul. 01, 2020
Subsequent Event [Member]
Subsequent Event [Line Items]
Collective bargaining agreement, term	5 years
Senior Secured Notes Due June 01, 2025 [Member]
Subsequent Event [Line Items]
Debt instrument, tender premium				$ 14,600,000
Long-term Debt [Member] \| Convertible Senior Note Due 2028 [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Face amount			$ 86,300,000
Percentage of aggregate principal amount issued			100.00%
Interest rate, cash percentage			2.75%
Long-term Debt [Member] \| Senior Secured Notes Due 2028 [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Face amount		$ 250,000,000.0
Stated interest rate, percentage		7.50%
Debt instrument, repurchased face amount		$ 195,900,000
Long-term Debt [Member] \| Senior Secured Notes Due June 01, 2025 [Member]
Subsequent Event [Line Items]
Face amount						$ 250,000,000.0
Stated interest rate, percentage				12.00%		12.00%
Debt discount				$ 2,200,000	$ 2,300,000
Long-term Debt [Member] \| Senior Secured Notes Due June 01, 2025 [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Face amount		$ 250,000,000.0
Interest rate, cash percentage		7.50%
Write off of deferred financing cost		$ 4,400,000
Debt discount		2,200,000
Debt instrument, tender premium		$ 14,600,000