Stock-Based Compensation Stock-Based Compensation Activity (Details)	3 Months Ended	6 Months Ended
Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($) director $ / shares shares	Jun. 30, 2021 USD ($)
Number Of Directors \| director			7,000
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount	$ 27,600,000		$ 27,600,000
Compensation expense			$ 655,000
Share-based Compensation Arrangement by Share-based Payment Award, Description			6,206
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value			$ 105.50
Allocated share based compensation expense			704,000
Stock-based compensation expense recognized in operating expenses	$ 4,700,000	$ 3,300,000	$ 9,500,000	$ 9,800,000
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period \| shares			112,963
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value \| $ / shares			$ 119.60

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount of expense recognized from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments), awarded to key employees or individuals. Excludes amount related to plans that cover generally all employees (for example, but not limited to, qualified pension plans).

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The compensation expense recognized during the period pertaining to the deferred compensation arrangement.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Description of terms of share-based payment arrangement. Includes, but is not limited to, type of award or grantee and reason for issuance.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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