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Common Stock Aggregate Offering Price, Remaining

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Common Stock, Shares Authorized, Remaining

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Fees And Commissions At Market Equity Offering Program Sales Agent

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Sales Of Stock, Weighted Average Offering Price

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- Definition

Share based compensation arrangement by share based payment award equity instruments other than options grants in period intrinsic value.

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Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Number Of Measurement Periods

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Stock Transferred During Period, Deposit To Deferred Compensation Plan

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

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Face amount or stated value per share of common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

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The cash inflow from the additional capital contribution to the entity.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Weighted average remaining contractual term for fully vested and expected to vest exercisable or convertible options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Number of new stock issued during the period.

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The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

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Stockholders' Equity - Narrative (Details)		3 Months Ended				6 Months Ended		149 Months Ended
Stockholders' Equity - Narrative (Details)	May 03, 2022 $ / shares shares	Jun. 30, 2022 USD ($) measurement_period $ / shares shares	Mar. 31, 2022 shares	Jun. 30, 2021 USD ($) $ / shares shares	Mar. 31, 2021 shares	Jun. 30, 2022 USD ($) measurement_period $ / shares shares	Jun. 30, 2021 USD ($) $ / shares shares	Jun. 30, 2022 USD ($) measurement_period $ / shares shares	Dec. 31, 2021 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award
Common stock, shares authorized (in shares) \| shares		400,000,000				400,000,000		400,000,000	400,000,000
Common stock, par value (in dollars per share) \| $ / shares		$ 0.01				$ 0.01		$ 0.01	$ 0.01
Preferred stock, authorized (in shares) \| shares		100,000,000				100,000,000		100,000,000
Preferred stock, par value (in dollars per share) \| $ / shares		$ 0.01				$ 0.01		$ 0.01
Common stock aggregate offering price, remaining						$ 219,400,000
Issuance of common stock, net of issuance costs (in shares) \| shares				1,084,294			1,790,818
Weighted average offering price (per share) \| $ / shares				$ 64.21			$ 61.84
Net proceeds of common share issuance						$ 2,059,000	$ 112,613,000
Shares repurchase program, authorized repurchase amount (in shares) \| shares		3,000,000				3,000,000		3,000,000
Compensation costs		$ 800,000		$ 700,000		$ 800,000
Common Shares Held in Deferred Compensation Plan
Share-based Compensation Arrangement by Share-based Payment Award
Deposits to deferred compensation plan (in shares) \| shares		3,582	147,285	5,181	131,322	150,867	136,503
2019 Plan
Share-based Compensation Arrangement by Share-based Payment Award
Common stock, shares authorized (in shares) \| shares		1,898,961				1,898,961		1,898,961
Granted (in shares) \| shares	10,362
Grant date fair value per share of restricted stock awards (in dollars per share) \| $ / shares	$ 63.70
Remaining balance of shares available (in shares) \| shares		819,008				819,008		819,008
Long Term Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award
Number of measurement periods \| measurement_period		3				3		3
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award
Granted (in shares) \| shares						53,287
Grant date fair value per share of restricted stock awards (in dollars per share) \| $ / shares						$ 72.69
Compensation costs						$ 2,200,000	$ 1,300,000
Fair value of the restricted stock granted						3,900,000
Unrecognized compensation costs related to restricted stock issuances		$ 10,700,000				$ 10,700,000		$ 10,700,000
Remaining weighted average period						2 years 9 months 18 days
Minimum \| Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award
Grant date fair value per share of restricted stock awards (in dollars per share) \| $ / shares								$ 14.20
Vesting period for the restricted stock						1 year
Maximum \| Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award
Grant date fair value per share of restricted stock awards (in dollars per share) \| $ / shares								$ 78.33
Vesting period for the restricted stock						5 years
At The Market Program
Share-based Compensation Arrangement by Share-based Payment Award
Net proceeds of common share issuance				$ 68,600,000			109,100,000
Total compensation to the applicable sales agents				$ 1,000,000			$ 1,600,000
$300 Million ATM Program
Share-based Compensation Arrangement by Share-based Payment Award
Common stock aggregate offering price		$ 300,000,000				$ 300,000,000
Issuance of common stock, net of issuance costs (in shares) \| shares		27,087				27,087
Weighted average offering price (per share) \| $ / shares		$ 76.03				$ 76.03
Net proceeds of common share issuance						$ 2,000,000
Total compensation to the applicable sales agents		$ 29,000				$ 29,000