General form of registration statement for all companies including face-amount certificate companies

Segment Information - Additional Information (Detail)

v3.21.2
Segment Information - Additional Information (Detail)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2021
USD ($)
Jun. 30, 2020
USD ($)
Jun. 30, 2021
USD ($)
Segment
Jun. 30, 2020
USD ($)
Dec. 31, 2020
USD ($)
Segment
Dec. 31, 2019
USD ($)
Number of operating segment | Segment     1   1  
Revenue $ 20,419 $ 14,174 $ 40,539 $ 31,875 $ 71,851 $ 72,549
US [Member]            
Revenue $ 9,800 $ 6,100 $ 19,400 $ 14,800 $ 35,100 $ 44,900