XML 56 R40.htm IDEA: XBRL DOCUMENT v3.22.0.1
Investments - Summary of Gross Unrealized Losses and Fair Value of Available-For-Sale Investment Securities in Unrealized Loss Position (Parenthetical) (Detail)
$ in Thousands
12 Months Ended
Dec. 31, 2021
USD ($)
Corporate debt securities | Maximum  
Schedule of Available-for-sale Securities [Line Items]  
Unrealized Loss on Securities $ 500