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, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2021
Number of Shares
Number of Shares, Non-vested Beginning Balance	133,079	142,121	148,414		148,414
Number of Shares, Granted	38,412	54,216	87,314	47,634	66,805
Number of Shares, Vested	(47,634)	(63,258)	(88,038)
Number of Shares, Cancelled	(3,170)		(5,569)
Number of Shares, Non-vested Ending Balance	120,687	133,079	142,121	148,414	133,079
Number of Shares, expected to vest in the future	66,805
Weighted-Average Grant Date Fair Value
Weighted-Average Grant Date Fair Value, Non-vested Beginning Balance	$ 76.54	$ 68.19	$ 60.67		$ 60.67
Weighted-Average Grant Date Fair Value, Granted	93.15	85.03	51.44
Weighted-Average Grant Date Fair Value, Vested	82.38	65.05	38.81
Weighted-Average Grant Date Fair Value, Cancelled	80.64		69.66
Weighted-Average Grant Date Fair Value, Non-vested Ending Balance	79.42	$ 76.54	$ 68.19	$ 60.67	$ 76.54
Weighted-Average Grant Date Fair Value, expected to vest in the future	$ 94.83
Aggregate Intrinsic Value
Aggregate Intrinsic Value, Non-vested	$ 11,954,047
Aggregate Intrinsic Value, expected to vest in the future	$ 6,617,006