Equity Incentive Plans (Summary Of Restricted Share Unit Activity) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]
Number of Shares, Outstanding at December 31, 2022	614,614
Number of Shares, Granted	283,494
Number of Shares, Vested	(265,675)
Number of Shares, Outstanding at September 30, 2023	632,433
Weighted Average Grant Date Fair Value, Outstanding at December 31, 2022	$ 42.79
Weighted Average Grant Date Fair Value, Granted	50.21
Weighted Average Grant Date Fair Value, Vested	$ 43.37
Weighted Average Life Remaining, Outstanding at September 30, 2023 (in years)	1 year 6 months 25 days
Weighted Average Grant Date Fair Value, Outstanding at September 30, 2023	$ 45.87
Unamortized share-based compensation expense	$ 16,900
Severance Costs	$ 0	$ 1,836
Restricted Share Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]
Number of Shares, Outstanding at December 31, 2022	45,410
Number of Shares, Granted	1,564
Number of Shares, Vested	0
Number of Shares, Outstanding at September 30, 2023	46,974
Weighted Average Grant Date Fair Value, Outstanding at December 31, 2022	$ 40.69
Weighted Average Grant Date Fair Value, Granted	47.67
Weighted Average Grant Date Fair Value, Vested	$ 0
Weighted Average Life Remaining, Outstanding at September 30, 2023 (in years)	2 months 1 day
Weighted Average Grant Date Fair Value, Outstanding at September 30, 2023	$ 40.92
Unamortized share-based compensation expense	$ 300
Restricted Share Units [Member] \| Non-Employee Trustees [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]
Share-based Payment Arrangement, Expense	500	400
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]
Share-based Payment Arrangement, Expense	$ 1,900	1,800
Severance Costs		700
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]
Number of Shares, Outstanding at December 31, 2022	326,469
Number of Shares, Granted	113,833
Number of Shares, Vested	(98,610)
Number of Shares, Outstanding at September 30, 2023	341,692
Weighted Average Grant Date Fair Value, Outstanding at December 31, 2022	$ 59.44
Weighted Average Grant Date Fair Value, Granted	66.45
Weighted Average Grant Date Fair Value, Vested	72.63
Weighted Average Grant Date Fair Value, Outstanding at September 30, 2023	$ 57.97
Unamortized share-based compensation expense	$ 10,700
Share-based Payment Arrangement, Expense	$ 1,400	1,500
Severance Costs		$ 900
Performance Shares [Member] \| Granted in 2023
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]
Share-based Compensation, Performance Measure Percent, Peer TSR	50.00%
Share-based Compensation, Performance Measure Percent, MSCI US REIT Index TSR	25.00%
Share-based Compensation, Performance Measure Percent, Growth in AFFO per share	25.00%
Performance Shares [Member] \| Granted in 2024
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]
Share-based Compensation, Performance Measure Percent, Peer TSR	52.20%
Share-based Compensation, Performance Measure Percent, MSCI US REIT Index TSR	26.10%
Share-based Compensation, Performance Measure Percent, Growth in AFFO per share	21.70%
Performance Shares [Member] \| Granted in 2025
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]
Share-based Compensation, Performance Measure Percent, Peer TSR	52.20%
Share-based Compensation, Performance Measure Percent, MSCI US REIT Index TSR	26.10%
Share-based Compensation, Performance Measure Percent, Growth in AFFO per share	21.70%

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

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

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Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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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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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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