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Derivatives, Hedging Activities and Balance Sheet Offsetting - Additional Information (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Feb. 29, 2020
Dec. 31, 2019
Derivative Instruments and Hedging Activities Disclosure [Abstract]      
Fair value of derivatives in a net liability position, including accrued interest $ 16,400    
Collateral posted 16,305   $ 3,242
Assets needed for immediate settlement, aggregate fair value 16,400    
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Interest rate swap contracts, interest income to be reclassified in next 12 months 298    
Designated as Hedging Instrument      
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Derivative, notional amount 46,625   16,734
Interest Rate Swap | Cash flow hedges | Designated as Hedging Instrument      
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Derivative, notional amount $ 30,000 $ 30,000 $ 0