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Derivative Instruments and Hedging Activities - Summary of Offsetting of Financial Assets and Derivative Assets (Detail) - Interest rate swaps - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Offsetting Assets [Line Items]    
Gross Amounts Recognized on the Consolidated Balance Sheets $ 432 $ 7,529
Financial Instruments 0 0
Cash Collateral Received/(Posted) 0 1,860
Net Amount $ 432 $ 5,669