Accounting for Stock-based Compensation - Cash-settled Restricted Stock Unit Activity (Details) - Cash Settled RSUs - USD ($)	12 Months Ended			24 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of Shares, Non-vested Beginning Balance	166,260	241,481	296,233	296,233
Number of Shares, Granted	115,024	52,246	134,259
Number of Shares, Vested	(75,566)	(104,272)	(154,653)
Number of Shares, Cancelled	(17,299)	(23,195)	(34,358)
Number of Shares, Non-vested Ending Balance	188,419	166,260	241,481	166,260
Number of Shares, expected to vest in the future	161,193
Weighted-Average Grant Date Fair Value, Non-vested Beginning Balance	$ 72.79	$ 65.06	$ 58.83	$ 58.83
Weighted-Average Grant Date Fair Value, Granted	97.88	89.51	60.30
Weighted-Average Grant Date Fair Value, Vested	73.20	63.96	49.44
Weighted-Average Grant Date Fair Value, Cancelled	80.02	69.68	63.03
Weighted-Average Grant Date Fair Value, Non-vested Ending Balance	87.28	$ 72.79	$ 65.06	$ 72.79
Weighted-Average Grant Date Fair Value, expected to vest in the future	$ 85.88
Aggregate Intrinsic Value, Non-vested	$ 18,662,902,000
Aggregate Intrinsic Value, expected to vest in the future	$ 15,966,125,000