Accounting for Stock-based Compensation - Summary of Performance Shares Activity (Details) - Performance Shares - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended				24 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2022
Number of Shares
Number of Shares, Non-vested Beginning Balance	120,687	133,079	142,121		142,121
Number of Shares, Granted	36,956	38,412	54,216	45,141	69,650
Number of Shares, Vested	(45,141)	(47,634)	(63,258)
Number of Shares, Cancelled	(6,934)	(3,170)
Number of Shares, Non-vested Ending Balance	105,568	120,687	133,079	142,121	120,687
Number of Shares, expected to vest in the future	69,650
Weighted-Average Grant Date Fair Value
Weighted-Average Grant Date Fair Value, Non-vested Beginning Balance	$ 79.42	$ 76.54	$ 68.19		$ 68.19
Weighted-Average Grant Date Fair Value, Granted	115.67	93.15	85.03
Weighted-Average Grant Date Fair Value, Vested	58.76	82.38	65.05
Weighted-Average Grant Date Fair Value, Cancelled	61.49	80.64
Weighted-Average Grant Date Fair Value, Non-vested Ending Balance	102.12	$ 79.42	$ 76.54	$ 68.19	$ 79.42
Weighted-Average Grant Date Fair Value, expected to vest in the future	$ 104.95
Aggregate Intrinsic Value
Aggregate Intrinsic Value, Non-vested	$ 14,156
Aggregate Intrinsic Value, expected to vest in the future	$ 9,339