Quarterly report pursuant to Section 13 or 15(d)

Derivatives and Hedging Activities - Additional Information (Details)

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Derivatives and Hedging Activities - Additional Information (Details) - USD ($)
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Derivative [Line Items]      
Derivative financial instruments outstanding   $ 0  
Fair value of derivatives in net liability position $ 0   $ 1,100,000
Amount of collateral posted 1,000,000.0   1,200,000
Net liability position 89,000   61,000
Derivative fair value of liabilities 1,400,000   1,100,000
Derivative fair value of assets 1,300,000   1,100,000
Termination value 0   $ 1,100,000
Other Income      
Derivative [Line Items]      
Fee income $ 0 $ 0