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Intangible Assets - Additional Information (Detail)
$ in Thousands
12 Months Ended
Dec. 31, 2019
USD ($)
Intangible Assets Net Excluding Goodwill [Abstract]  
Identifiable intangible assets, weighted average amortization period 12 years
Identifiable intangible assets expected amortization in 2020 $ 1,137
Identifiable intangible assets expected amortization in 2021 497
Identifiable intangible assets expected amortization in 2022 369
Identifiable intangible assets expected amortization in 2023 369
Identifiable intangible assets expected amortization in 2024 369
Identifiable intangible assets expected amortization, thereafter $ 2,529