Annual report pursuant to Section 13 and 15(d)

Schedule I - Parent Company Financial Information - Summary Of Condensed Statements Of Loss and Comprehensive Loss (Detail)

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Schedule I - Parent Company Financial Information - Summary Of Condensed Statements Of Loss and Comprehensive Loss (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Condensed Income Statements, Captions [Line Items]              
Change in fair value of warrant liability         $ (5,267) $ 7,485 $ (235)
Loss before income taxes         (34,147) (40,519) (36,384)
Net loss $ (8,331) $ (12,787) $ (31,222) $ (39,966) (24,453) (35,201) (23,443)
Other comprehensive loss:              
Comprehensive loss         (26,107) (33,085) (22,926)
Parent Company [Member]              
Condensed Income Statements, Captions [Line Items]              
Equity in net loss of unconsolidated subsidiaries         (29,177) (27,716) (23,678)
Change in fair value of warrant liability         (5,267) 7,485 (235)
Loss before income taxes         (23,910) (35,201) (23,443)
Net loss         (23,910) (35,201) (23,443)
Other comprehensive loss:              
Foreign currency translation adjustment         (1,654) 2,116 517
Comprehensive loss         $ (25,564) $ (33,085) $ (22,926)