Derivative And Hedging Activites - Summary of Cash Flow Hedge Accounting on Accumulated Other Comprehensive Income (Details) - Cash Flow Hedging - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2019
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Amount of Gain or (Loss) Recognized in OCI	$ 1,647	$ 1,558
Amount of Gain or (Loss) Recognized in OCI Included Component	2,080	2,080
Amount of Gain or (Loss) Recognized in OCI Excluded Component	(433)	(522)
Amount of Gain or (Loss) Reclassified from AOCI into Income	(48)	(96)
Amount of Gain or (Loss) Reclassified from AOCI into Income Excluded Component	(48)	(96)
Interest Income
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Amount of Gain or (Loss) Reclassified from AOCI into Income	(48)	(96)
Amount of Gain or (Loss) Reclassified from AOCI into Income Excluded Component	(48)	(96)
Interest Rate Contracts
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Amount of Gain or (Loss) Recognized in OCI	1,647	1,558
Amount of Gain or (Loss) Recognized in OCI Included Component	2,080	2,080
Amount of Gain or (Loss) Recognized in OCI Excluded Component	$ (433)	$ (522)

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