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Derivative Financial Instruments - Summary of Aggregate Amount and Estimated Net Fair Values of Derivative Instruments (Detail) - Cash Flow Hedge - USD ($)
Jun. 30, 2020
Mar. 02, 2020
Dec. 31, 2019
Derivative Instruments Gain Loss [Line Items]      
Notional $ 400,000,000   $ 400,000,000
Fair Value of Assets     953,000
Fair Value of Liabilities 34,614,000   7,769,000
Interest Rate Swap      
Derivative Instruments Gain Loss [Line Items]      
Notional 150,000,000   150,000,000
Fair Value of Assets     953,000
Fair Value of Liabilities 1,421,000    
Interest Rate Collar      
Derivative Instruments Gain Loss [Line Items]      
Notional 250,000,000   250,000,000
Fair Value of Liabilities 15,776,000   4,330,000
Forward Interest Rate Swap      
Derivative Instruments Gain Loss [Line Items]      
Notional   $ 150,000,000  
Fair Value of Liabilities $ 17,417,000   $ 3,439,000