Derivatives and Hedging Activities (Gains and Losses) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Derivatives Not Designated as a Hedging Instruments
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in Income on derivatives	$ 486	$ 2,236	$ (563)	$ 156
Derivatives Not Designated as a Hedging Instruments | Interest rate products | Other income
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in Income on derivatives	26	2,307	(1,022)	212
Derivatives Not Designated as a Hedging Instruments | Credit contracts | Other income
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in Income on derivatives	460	(71)	459	(56)
Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in Income on derivatives	855	157	875	466
Designated as Hedging Instrument | Interest rate products | Other income
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in Income on derivatives	$ 855	$ 157	$ 875	$ 466