Derivative And Hedging Activites - Summary of Derivative Financial Instruments Income Statement (Details) - Interest Income - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2019
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Total amount of income presented in the income statement in which the effects of fair value or cash flow hedges are recorded	$ (48)	$ (96)
Interest Rate Contracts
The effects of fair value and cash flow hedging:
Amount of gain or (loss) reclassed from AOCI into income	(48)	(96)
Amount of gain or (loss) reclassed from AOCI into income - Excluded Component	$ (48)	$ (96)