Stock-based Employee Compensation, Stock Option Plans, and Deferred Compensation Plan for Directors - Summary of Option Activity (Details) - USD ($)	6 Months Ended
Jun. 30, 2023	Jun. 30, 2022
Number of Shares
Outstanding at beginning of period (in shares)	1,768,375
Granted (in shares)	253,500
Exercised (in shares)	0
Expired/Forfeited (in shares)	(96,875)
Outstanding at end of period (in shares)	1,925,000
Exercisable at end of period (in shares)	1,247,375
Weighted Average Exercise Price per share
Outstanding at beginning of period (in usd per share)	$ 51.28
Granted (in usd per share)	33.79
Exercised (in usd per share)	0
Expired/Forfeited (in usd per share)	49.24
Outstanding at end of period (in usd per share)	49.08
Exercisable at end of period (in usd per share)	$ 52.28
Aggregate Intrinsic Value
Outstanding at beginning of period	$ 0
Granted	770,640
Exercised	0	$ 237,724
Expired/Forfeited	0
Outstanding at end of period	770,640
Exercisable at end of period	$ 91,200

Share-based Compensation Arrangement by Share-based Payment Award, Options, Aggregate Intrinsic Value [Roll Forward]

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Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures And Expirations In Period, Intrinsic Value

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Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Intrinsic Value

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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Weighted average price of options that were either forfeited or expired.

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Gross number of share options (or share units) granted during the period.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Number of share options (or share units) exercised during the current period.

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