Commitments and Contingencies (Details) $ in Millions	Mar. 31, 2021 USD ($) item
Infrastructure Lending Segment \| Interest rate swaps \| Derivatives designated as hedging instruments
Commitments and Contingencies
Number of guarantees \| item	6
Commitments \| Commercial and Residential Lending Segment
Commitments and Contingencies
Value of loans with future funding commitments	$ 1,500.0
Value of loans with future funding commitments expected to fund	1,300.0
Outstanding	82.7
Commitments \| Infrastructure Lending Segment
Commitments and Contingencies
Value of loans with future funding commitments	192.5
Revolvers and letters of credit \| Infrastructure Lending Segment
Commitments and Contingencies
Value of loans with future funding commitments	126.7
Outstanding	15.6
Delayed draw term loans \| Infrastructure Lending Segment
Commitments and Contingencies
Value of loans with future funding commitments	$ 65.8

The number of guarantees of derivative instruments of a particular group held by the entity.

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- Definition

Represents information pertaining to loan with total commitments outstanding amount.

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- Definition

Represents the value of loans with future funding commitments.

+ References

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- Definition

Represents the value of loans with future funding commitments expected to fund.

+ References

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- Definition

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+ References

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