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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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