Share-Based Compensation (Texuals) (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Share-based compensation:
Authorized shares	17,754,197
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	10,704,644
Employees, officers and directors [Member] \| Restricted Stock [Member]
Share-based compensation:
Share-based compensation expense	$ 19.4	$ 15.8
Share-based compensation cost unrecognized	$ 168.7
Non-vested compensation cost weighted-average period	2 years 3 months 18 days
Advisors and Financial Institutions [Member] \| Restricted stock units (RSUs) [Member]
Share-based compensation:
Share-based compensation expense	$ 0.8	$ 0.9
Share-based compensation cost unrecognized	$ 6.4
Non-vested compensation cost weighted-average period	2 years

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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section S45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479983/718-10-S45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Number of shares authorized for issuance under share-based payment arrangement.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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