Commitments and Contingencies (Details) $ in Millions	Jun. 30, 2026 USD ($)
Loan Funding Commitments \| Commercial and Residential Lending Segment
Property, Plant, and Equipment [Line Items]
Value of loans with future funding commitments	$ 2,500.0
Value of loans with future funding commitments expected to fund	2,300.0
Loan Funding Commitments \| Infrastructure Lending Segment
Property, Plant, and Equipment [Line Items]
Value of loans with future funding commitments	562.4
Revolvers and Letters of Credit \| Infrastructure Lending Segment
Property, Plant, and Equipment [Line Items]
Value of loans with future funding commitments	291.7
Delayed Draw Term Loans \| Infrastructure Lending Segment
Property, Plant, and Equipment [Line Items]
Value of loans with future funding commitments	270.7
Loan Purchase Commitments \| Infrastructure Lending Segment
Property, Plant, and Equipment [Line Items]
Outstanding loan purchase commitment	849.0
Construction Funding Commitments \| Property Segment
Property, Plant, and Equipment [Line Items]
Value of loans with future funding commitments	$ 68.6

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