Earnings (Loss) per Common Share - Additional Information (Detail) - USD ($)	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2020	May 04, 2020
Earnings Per Share [Abstract]
Antidilutive securities excluded from computation of earnings per share (in shares)	1,153,000	1,260,000
Convertible Senior Notes
Debt Instrument [Line Items]
Convertible Debt, Face Amount			$ 258,750,000
Convertible Debt Stated Interest Rate			2.75%
Debt instrument, convertible, conversion price (in dollars per share)	$ 17.62	$ 17.62

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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The price per share of the conversion feature embedded in the debt instrument.

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

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