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Equity Incentive Plans - Additional Information (Details) - USD ($)	3 Months Ended
	Mar. 31, 2026	Dec. 31, 2025	Apr. 24, 2025	Mar. 31, 2025	Dec. 31, 2024	Apr. 30, 2019	Apr. 13, 2019	Jun. 30, 2016
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of option outstanding	172,038
Options outstanding, weighted average exercise price	$ 61.1
Stock Appreciation Rights (SARs)
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of option outstanding	130,023	131,656		133,977	142,785
Options outstanding, weighted average exercise price	$ 56.99	$ 57.02		$ 55.46	$ 55.03
Employee Stock Option
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of option outstanding	172,038	179,110		189,813	193,395
Options outstanding, weighted average exercise price	$ 61.1	$ 61.03		$ 57.82	$ 57.66
Total unrecognized compensation cost	$ 874,000
Weighted-average period of recognized	2 years 7 months 28 days
Cash Settled SARS Activity
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total unrecognized compensation cost	$ 392,000
Weighted-average period of recognized	1 year 9 months 18 days
Restricted Share Awards
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of non-option outstanding	0	0		153	153
Non-options outstanding, weighted average exercise price	$ 0	$ 0		$ 66.7	$ 66.7
Total unrecognized compensation cost	$ 0
Restricted Share Units
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of non-option outstanding	38,225	40,539		22,114	24,482
Non-options outstanding, weighted average exercise price	$ 75.22	$ 75.01		$ 70.33	$ 70.44
Total unrecognized compensation cost	$ 2,190,000
Weighted-average period of recognized	2 years 8 months 4 days
Performance-Based Vesting Restricted Stock Units
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of non-option outstanding	0	0		369	738
Non-options outstanding, weighted average exercise price	$ 0	$ 0		$ 67.85	$ 67.85
Total unrecognized compensation cost	$ 0
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	0
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			0
Number of option outstanding	149,372
Options outstanding, weighted average exercise price	$ 58.56
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	123,023
Non-options outstanding, weighted average exercise price	$ 55.89
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	16,292
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	0
The 2025 Equity Incentive Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of Shares Authorized			675,000
Shares reserved for issuance			675,000
Number of shares available for grant	625,012
Number of option outstanding	22,666
Options outstanding, weighted average exercise price	$ 77.84
The 2025 Equity Incentive Plan [Member] \| Stock Appreciation Rights (SARs)
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of non-option outstanding	7,000
Non-options outstanding, weighted average exercise price	$ 76.3
The 2025 Equity Incentive Plan [Member] \| Restricted Share Units
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of non-option outstanding	21,933
The 2025 Equity Incentive Plan [Member] \| Newly Reserved Shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Shares reserved for issuance			508,388
The 2025 Equity Incentive Plan [Member] \| Initially Reserved for Issuance \| Common Stock
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of shares available for grant			166,612