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Equity Incentive Plans - Additional Information (Details) - USD ($)	9 Months Ended
	Sep. 30, 2024	Dec. 31, 2023	Sep. 30, 2023	Dec. 31, 2022	Apr. 30, 2019	Apr. 13, 2019	Jun. 30, 2016
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of option outstanding	208,219
Options outstanding, weighted average exercise price	$ 57.39
Stock Appreciation Rights (SARs)
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of non-option outstanding	148,152
Non-options outstanding, weighted average exercise price	$ 54.95
Stock Options and Stock Appreciation Rights
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of option outstanding	356,371	371,994	386,519	414,778
Options outstanding, weighted average exercise price	$ 56.38	$ 56.15	$ 55.82	$ 55.13
Total unrecognized compensation cost	$ 2,389,000
weighted-average period of recognized	2 years 3 months 10 days
Restricted Share Awards
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of non-option outstanding	301	301	1,075	1,075
Non-options outstanding, weighted average exercise price	$ 66.7	$ 66.7	$ 64.03	$ 64.03
Total unrecognized compensation cost	$ 12,000
weighted-average period of recognized	1 year 1 month 17 days
Restricted Share Units
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of non-option outstanding	24,482	14,458	14,833	0
Non-options outstanding, weighted average exercise price	$ 70.44	$ 69	$ 69	$ 0
Total unrecognized compensation cost	$ 1,406,000
weighted-average period of recognized	3 years 10 months 28 days
Performance-Based Vesting Restricted Stock Units
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of non-option outstanding	738	1,107	1,107	0
Non-options outstanding, weighted average exercise price	$ 67.85	$ 67.85	$ 67.85	$ 0
Total unrecognized compensation cost	$ 32,000
weighted-average period of recognized	1 year 4 months 2 days
The 2009 Stock Option Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of Shares Authorized					100,000
Number of shares available for grant						0
Number of option outstanding	1,767
Options outstanding, weighted average exercise price	$ 36.47
The 2016 Equity Incentive Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of Shares Authorized							750,000
Number of shares available for grant	163,229
Number of option outstanding	206,452
Options outstanding, weighted average exercise price	$ 57.57
The 2016 Equity Incentive Plan [Member] \| Stock Appreciation Rights (SARs)
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of non-option outstanding	148,152
Non-options outstanding, weighted average exercise price	$ 54.95
The 2016 Equity Incentive Plan [Member] \| Restricted Share Awards
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of non-option outstanding	301
The 2016 Equity Incentive Plan [Member] \| Restricted Share Units
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of non-option outstanding	24,482
The 2016 Equity Incentive Plan [Member] \| Performance Share Unit Awards
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of non-option outstanding	738