Derivative Financial Instruments - Summary of Net Gains or Losses on Derivatives and Hedging Activities (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Derivatives designated as hedging instruments:
Total net gains (losses) related to derivatives designated as hedging instruments	$ 28	$ 0	$ 0
Total net gains (losses) related to derivatives designated as cash flow hedges	0	0	0
Total net gain (loss) related to hedging relationships	28	0	0
Derivatives not designated as hedging instruments:
Total net gains (losses) related to derivatives not designated as hedging instruments	757	254	307
Net gains (losses) on derivatives and hedging activities	785	254	307
Interest Rate Swaps [Member]
Derivatives designated as hedging instruments:
Total net gains (losses) related to derivatives designated as hedging instruments	28	0	0
Total net gains (losses) related to derivatives designated as cash flow hedges	0	0	0
Derivatives not designated as hedging instruments:
Total net gains (losses) related to derivatives not designated as hedging instruments	$ 757	$ 254	$ 307