XML 78 R67.htm IDEA: XBRL DOCUMENT v3.22.1
Components of Net Periodic Benefit Cost (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Net Periodic Benefit Cost:      
Service cost $ 35 $ 5 $ 275
Interest cost 20 5 91
Projected return on plan assets (33) (29) (77)
Amortization of unrecognized net transition obligation and unrecognized net actuarial gain 34 37 48
Net periodic benefit cost $ 56 $ 18 $ 337