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Derivatives and Hedging Activities - Schedule of Interest Rate Swaps and Interest Rate Caps Outstanding (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Derivative asset, notional amount	$ 92.4	$ 113.4
Derivative liability, notional amount	(29.6)	(40.4)
Derivative notional amount	1,364.1	1,518.2
Pay-fixed swap
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Derivative asset, notional amount	435.0	435.0
Pay-fixed swap
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Derivative asset, notional amount	330.0	330.0
Pay-fixed swap
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Derivative asset, notional amount	435.0	435.0
Interest rate cap
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Derivative asset, notional amount	155.2	159.1
Interest rate cap
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Derivative asset, notional amount	8.9	159.1
Pay-fixed swap
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Derivative asset, notional amount	165.0	165.0
Pay-fixed swap
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Derivative asset, notional amount	120.0	120.0
Pay-fixed swap
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Derivative asset, notional amount	150.0	150.0
Receive-fixed swap
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Derivative liability, notional amount	(165.0)	(165.0)
Receive-fixed swap
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Derivative liability, notional amount	(120.0)	(120.0)
Receive-fixed swap
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Derivative liability, notional amount	$ (150.0)	$ (150.0)

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- Definition

Nominal or face amount used to calculate payments on the derivative asset.

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