Share-Based Compensation - Option Price Ranges (Details) - $ / shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Options Outstanding, Number Outstanding (in shares)	180,000
Options Outstanding, Weighted-Average Remaining Contractual Life (Years)	2 years 3 months 18 days	2 years 9 months 18 days	2 years 7 months 6 days	2 years 7 months 6 days
Options Outstanding, Weighted-Average Exercise Price (in dollars per share)	$ 39.87
Options Exercisable, Number of Shares (in shares)	120,000
Options Exercisable, Weighted-Average Exercise Price (in dollars per share)	$ 42.51
$30.40
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Shares authorized under stock option plans, exercise price range, lower range limit	30.4
Shares authorized under stock option plans, exercise price range, upper range limit	$ 30.4
Options Outstanding, Number Outstanding (in shares)	42,000
Options Outstanding, Weighted-Average Remaining Contractual Life (Years)	10 months 28 days
Options Outstanding, Weighted-Average Exercise Price (in dollars per share)	$ 7.09
Options Exercisable, Number of Shares (in shares)	10,500
Options Exercisable, Weighted-Average Exercise Price (in dollars per share)	$ 2.66
$35.70
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Shares authorized under stock option plans, exercise price range, lower range limit	35.7
Shares authorized under stock option plans, exercise price range, upper range limit	$ 35.7
Options Outstanding, Number Outstanding (in shares)	36,000
Options Outstanding, Weighted-Average Remaining Contractual Life (Years)	7 months 2 days
Options Outstanding, Weighted-Average Exercise Price (in dollars per share)	$ 7.14
Options Exercisable, Number of Shares (in shares)	18,000
Options Exercisable, Weighted-Average Exercise Price (in dollars per share)	$ 5.36
$41.60
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Shares authorized under stock option plans, exercise price range, lower range limit	41.6
Shares authorized under stock option plans, exercise price range, upper range limit	$ 41.6
Options Outstanding, Number Outstanding (in shares)	36,000
Options Outstanding, Weighted-Average Remaining Contractual Life (Years)	4 months 6 days
Options Outstanding, Weighted-Average Exercise Price (in dollars per share)	$ 8.32
Options Exercisable, Number of Shares (in shares)	29,250
Options Exercisable, Weighted-Average Exercise Price (in dollars per share)	$ 10.14
$42.56
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Shares authorized under stock option plans, exercise price range, lower range limit	42.56
Shares authorized under stock option plans, exercise price range, upper range limit	$ 42.56
Options Outstanding, Number Outstanding (in shares)	36,000
Options Outstanding, Weighted-Average Remaining Contractual Life (Years)	2 months 12 days
Options Outstanding, Weighted-Average Exercise Price (in dollars per share)	$ 8.51
Options Exercisable, Number of Shares (in shares)	36,000
Options Exercisable, Weighted-Average Exercise Price (in dollars per share)	$ 12.77
$52.92
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Shares authorized under stock option plans, exercise price range, lower range limit	52.92
Shares authorized under stock option plans, exercise price range, upper range limit	$ 52.92
Options Outstanding, Number Outstanding (in shares)	30,000
Options Outstanding, Weighted-Average Remaining Contractual Life (Years)	2 months 26 days
Options Outstanding, Weighted-Average Exercise Price (in dollars per share)	$ 8.82
Options Exercisable, Number of Shares (in shares)	26,250
Options Exercisable, Weighted-Average Exercise Price (in dollars per share)	$ 11.58