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Stock-Based Compensation and Employee Benefit Plans (Narrative) (Details) $ / shares in Units, $ in Thousands	1 Months Ended	12 Months Ended
	Jul. 31, 2022 USD ($) employee shares	Dec. 31, 2022 USD ($) item $ / shares shares	Dec. 31, 2021 USD ($) item $ / shares shares	Dec. 31, 2020 USD ($) employee $ / shares shares	Dec. 31, 2019 shares	May 18, 2022 shares	Dec. 30, 2020 $ / shares
Compensation Related Costs [Line Items]
Grant date fair value | $ / shares		$ 456.44	$ 403.01	$ 231.52
Total liabilities under Deferred Plan | $		$ 21,140
2011 Stock Incentive Plan [Member]
Compensation Related Costs [Line Items]
Common stock authorized and reserved for issuances		6,830,000
Common stock remaining available for future issuance			2,141,000
2022 Stock Incentive Plan [Member]
Compensation Related Costs [Line Items]
Common stock authorized and reserved for issuances		2,431,000
Common stock remaining available for future issuance		2,318,000
SOSARs [Member]
Compensation Related Costs [Line Items]
Total intrinsic value of SOSARs exercised | $		$ 77,124	$ 498,399	$ 236,573
Unearned compensation | $		$ 29,474
Weighted average period		1 year 7 months 6 days
Expiration period of SOSARs		7 years
Restricted Stock Units (RSUs) [Member]
Compensation Related Costs [Line Items]
Unearned compensation | $		$ 26,881
Weighted average period		1 year 6 months
Grant date fair value | $ / shares		$ 1,559.73	$ 1,492.15	$ 905.96
Shares vested, fair value | $		$ 33,959	$ 73,540	$ 47,649
Units vested		24,000
Units forfeited		9,000
Performance Shares [Member]
Compensation Related Costs [Line Items]
Unearned compensation | $		$ 29,792
Weighted average period		1 year 3 months 18 days
Grant date fair value | $ / shares		$ 1,569.39	$ 1,479.55	$ 853.03
Shares vested, fair value | $		$ 177,293	$ 97,496	$ 60,081
Vesting period		3 years	3 years	3 years
Units vested		54,000
Performance and market measurement period		3 years
Performance Shares [Member] | 2018 Stock Awards [Member]
Compensation Related Costs [Line Items]
Number of installments | item		4
Number of employees affected by modified service requirements | employee				7
Modified service requirements expense | $				$ 71,441
Stock-based compensation expense | $		$ 7,255
Modified service requirements expense, unamortized | $		$ 0
Stock price | $ / shares							$ 1,374.17
Performance Shares [Member] | First Half Vested [Member] | 2018 Stock Awards [Member]
Compensation Related Costs [Line Items]
Units vested			33,000
Number of installments | item			2
Performance Shares [Member] | Second Half Vested [Member] | 2018 Stock Awards [Member]
Compensation Related Costs [Line Items]
Units vested		16,000
Number of installments | item		2
Performance Shares [Member] | Defined Minimum Targets Not Met [Member]
Compensation Related Costs [Line Items]
Units vested		0	0	0
Certain Equity Awards of an Employee [Member]
Compensation Related Costs [Line Items]
Units forfeited	1,000
Number of employees terminated employment | employee	1
Number of employees affected by modified service requirements | employee	1
Modified service requirements expense | $	$ 6,701
Certain Equity Awards of an Employee [Member] | Separation Vesting Period [Member]
Compensation Related Costs [Line Items]
Vesting period	8 months
Minimum [Member] | Performance Shares [Member] | Vesting Period 1 [Member]
Compensation Related Costs [Line Items]
Percentage of target number of shares to be earned if certain criteria is met		0.00%	0.00%	0.00%
Maximum [Member] | Performance Shares [Member]
Compensation Related Costs [Line Items]
Percentage of target number of shares to be earned if certain criteria is met			100.00%	100.00%
Maximum [Member] | Performance Shares [Member] | Vesting Period 1 [Member]
Compensation Related Costs [Line Items]
Percentage of target number of shares to be earned if certain criteria is met		300.00%	300.00%	300.00%
Maximum [Member] | Performance Shares [Member] | Defined Minimum Targets Not Met [Member]
Compensation Related Costs [Line Items]
Percentage of target number of shares to be earned if certain criteria is met		100.00%
Employee Stock Purchase Plan (ESPP) [Member]
Compensation Related Costs [Line Items]
Purchase price percentage of fair market value of stock on last trading date of monthly exercise period			95.00%
Purchase price percentage of lower of fair market value on first and last trading days of each offering period		92.50%
Common stock authorized and reserved for ESPP						250,000
Common stock authorized for issuance but not yet issued for ESPP		249,000
Shares issued under ESPP			1,000	1,000	1,000
ESPP employee contribution, percentage		15.00%
Period of service before an employee is eligible for contribution		1 year
Deferred Plan [Member]
Compensation Related Costs [Line Items]
Employer matching contribution, percentage on first 3%		100.00%
Employer matching contribution, percentage on next 2%		50.00%
Percentage of employees' gross pay for which the employer contributes a matching contribution of 100% under the Deferred Plan		3.00%
Percentage of employees' gross pay for which the employer contributes a matching contribution of 50% under the Deferred Plan		2.00%
Total liabilities under Deferred Plan | $		$ 21,140	$ 19,330
401(k) Plan [Member]
Compensation Related Costs [Line Items]
Employer matching contribution, percentage on first 3%		100.00%
Employer matching contribution, percentage on next 2%		50.00%
Percentage of employees' gross pay for which the employer contributes a matching contribution of 100%		3.00%
Percentage of employees' gross pay for which the employer contributes a matching contribution of 50%		2.00%
Period of service before an employee is eligible for contribution		1 year
Company matching contributions | $		$ 12,923	$ 10,527	$ 8,490

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