Derivatives - Narrative (Details) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2026 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2026 USD ($)	Sep. 30, 2025 USD ($)	Dec. 31, 2025 USD ($) derivativeInstrument
Interest rate cash flow hedges | Cash Flow Hedging
Derivative [Line Items]
Number of derivative instruments held | derivativeInstrument					3
Other comprehensive income	$ 5.3		$ 6.7
Other comprehensive income reclassified	0.1		0.4
Cash flow hedge gain (loss) to be reclassified within 12 months	1.0		1.0
Interest Rate Cap One | Cash Flow Hedging
Derivative [Line Items]
Notional amount					$ 100.0
Interest Rate Cap Two | Cash Flow Hedging
Derivative [Line Items]
Notional amount					100.0
Interest Rate Cap Three | Cash Flow Hedging
Derivative [Line Items]
Notional amount					$ 100.0
Interest Rate Swap | Cash Flow Hedging
Derivative [Line Items]
Notional amount	200.0		200.0
Securities Interest Rate Swap
Derivative [Line Items]
Reclassification of fair value hedge losses from AOCI into income				$ 0.4
Fair value hedge gain (loss) reclassified				(0.5)
Residential mortgage fair value hedges
Derivative [Line Items]
Gain (loss) on derivative instruments	0.1	$ (0.5)	0.1	$ (0.4)
IRLCs
Derivative [Line Items]
Gain (loss) on derivative instruments	$ 0.3		$ (0.2)