Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets, Net - Summary of Intangible Assets (Detail)

v3.21.2
Intangible Assets, Net - Summary of Intangible Assets (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Cost of intangible assets gross, beginning balance     $ 46,521 $ 46,527 $ 46,527
Disposal         (6)
Cost of intangible assets gross, ending balance $ 46,521   46,521   46,521
Accumulated amortization, beginning balance     (19,968) (17,241) (17,241)
Amortization expense (657) $ (702) (1,314) (1,405) (2,733)
Disposal         6
Accumulated amortization, ending balance (21,282)   (21,282)   (19,968)
Net book value 25,239   $ 25,239   26,553
Minimum          
Useful lives     3 years    
Maximum          
Useful lives     20 years    
Customer Relationships          
Cost of intangible assets gross, beginning balance     $ 44,060 44,060 44,060
Cost of intangible assets gross, ending balance 44,060   44,060   44,060
Accumulated amortization, beginning balance     (17,507) (14,833) (14,833)
Amortization expense     (1,314)   (2,674)
Accumulated amortization, ending balance (18,821)   (18,821)   (17,507)
Net book value 25,239   $ 25,239   $ 26,553
Customer Relationships | Minimum          
Useful lives     10 years   10 years
Customer Relationships | Maximum          
Useful lives     20 years   20 years
Other Intangible Assets          
Cost of intangible assets gross, beginning balance     $ 2,461 2,467 $ 2,467
Disposal         (6)
Cost of intangible assets gross, ending balance 2,461   2,461   2,461
Accumulated amortization, beginning balance     (2,461) $ (2,408) (2,408)
Amortization expense         (59)
Disposal         6
Accumulated amortization, ending balance $ (2,461)   $ (2,461)   $ (2,461)
Other Intangible Assets | Minimum          
Useful lives     3 years   3 years
Other Intangible Assets | Maximum          
Useful lives     5 years   5 years