Subsequent Events - Additional Information (Details) - $ / shares	Apr. 06, 2020	Jun. 30, 2020
Subsequent Event \| Dividend Declared
Subsequent Event [Line Items]
Dividends payable, date declared	Apr. 06, 2020
Number of preferred share purchase right declared as divided per common stock	1
Dividends payable,record date	Apr. 16, 2020
Maximum percentage of common stock acquisition allowed by board of directors under rights plan	15.00%
Number of days after public announcement rights exercisable for acquiring person	10 days
Rights expiration date	Apr. 06, 2021
Subsequent Event \| Dividend Declared \| Series A Junior Participating Preferred Stock
Subsequent Event [Line Items]
Exercise price of rights	$ 150.00
COVID-19 \| Forecast
Subsequent Event [Line Items]
Percentage of retainer fees reduction for non-employee directors		50.00%
Percentage of targeted labor costs reduction		30.00%
COVID-19 \| Forecast \| Chairman, Chief Executive Officer and President
Subsequent Event [Line Items]
Percentage of base salary reduction		50.00%
COVID-19 \| Forecast \| Other Executive Officers
Subsequent Event [Line Items]
Percentage of base salary reduction		30.00%

Maximum percentage of common stock acquisition allowed by board of directors under rights plan.

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- Definition

Number of days after public announcement rights exercisable for acquiring person.

+ References

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- Definition

Number of preferred share purchase right declared as divided per common stock.

+ References

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- Definition

Percentage of base salary reduction.

+ References

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- Definition

Percentage of expected labor costs reduction.

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Percentage of retainer fees reduction for non-employee directors.

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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
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- Definition

Date the dividend to be paid was declared, in CCYY-MM-DD format.

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-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
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Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

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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.

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- Definition

Expiration date 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 CCYY-MM-DD format.

+ References

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