Interest Rate Swap Derivatives - Summary Information about Net Unrealized Holding Losses in AOCI and Condensed Consolidated Statements of Income and Comprehensive Income Relating to Cash Flow Derivative Instrument (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2020 USD ($)
Interest Rate Contracts - Pay Fixed, Receive Floating [Member] | Cash Flow Hedging [Member]
Derivative Instruments Gain Loss [Line Items]
Amount of loss recognized in OCI	$ (5,740)