Derivative Financial Instruments - Effect of Derivative Instruments on Consolidated Statements of Income Derivative in Fair Value Hedging Relationship (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Derivative designated as hedging instruments
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized on derivative	$ 340	$ 509
Derivative designated as hedging instruments | Interest expense – Borrowings | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized on derivative	340	509
Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized on derivative	(1,023)	(1,241)
Not Designated as Hedging Instrument | Non–interest income – Gain on sale of loans | Mortgage loan contracts
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized on derivative	(348)	(700)
Not Designated as Hedging Instrument | Non–interest income – Gain on sale of loans | Commitments to originate mortgage loans
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized on derivative	$ (675)	$ (541)