Derivatives - Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location (Fair Value Hedge) (Details) - Securities available-for-sale - Fair Value Hedging - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Carrying Amount of the Hedged Assets	$ 101,205	$ 0
Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets	$ 4,954	$ 0