Stock-based Compensation Expense Fixed-Price Stock Options (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Shares
Outstanding Shares,Beginning Balance (in shares)	360,169
Granted (in shares)	57,348	62,479	76,221
Exercised (in shares)	(32,581)
Outstanding Shares, Ending Balance (in shares)	384,936	360,169
Exercisable, Ending Balance (in shares)	194,393
Weighted-Average Exercise Price
Outstanding Weighted-Average Exercise Price, Beginning Balance (in dollars per share)	$ 98.19
Granted (in dollars per share)	191.95
Exercised (in dollars per share)	73.54
Outstanding Weighted-Average Exercise (in dollars per share) Price, Ending Balance	114.24	$ 98.19
Exercisable Weighted-Average Exercise Price, Ending Balance (in dollars per share)	$ 89.29
Weighted-Average Remaining Contractual Term (Years)
Weighted-Averaged Remaining Contractual Term, Beginning Balance	6 years 3 months 18 days	6 years 7 months 6 days
Weighted-Averaged Remaining Contractual Term, Ending Balance	6 years 3 months 18 days	6 years 7 months 6 days
Exercisable Weighted-Average Remaining Contractual Term, Ending Balance	4 years 7 months 6 days
Aggregate Intrinsic Value
Outstanding Aggregate Intrinsic Value, Beginning Balance	$ 48,833
Outstanding Aggregate Intrinsic Value, Ending Balance	39,501	$ 48,833
Exercisable Aggregate Intrinsic Value, Ending Balance	$ 24,798