Share-Based Compensation - Nonvested Options (Details) - Nonvested Option Shares - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Nonvested Awards, Number of Shares [Roll Forward]
Nonvested awards, beginning balance (in shares)	102,750	108,750	81,750
Granted (in shares)	42,000	36,000	66,000
Vested (in shares)	(39,750)	(42,000)	(28,875)
Canceled (in shares)	0	0	(10,125)
Nonvested awards, ending balance (in shares)	105,000	102,750	108,750
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Exercise Price [Roll Forward]
Nonvested options, beginning balance (in dollars per share)	$ 42.40	$ 46.65	$ 47.21
Granted (in dollars per share)	30.40	35.70	46.75
Vested (in dollars per share)	44.24	47.66	48.46
Canceled (in dollars per share)	0	0	46.66
Nonvested options, ending balance (in dollars per share)	$ 36.90	$ 42.40	$ 46.65