Schedule II-Valuation and Qualifying Accounts (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
|
Valuation And Qualifying Accounts Disclosure [Line Items] | |||
Balance at Beginning of Year | $ (3,035) | $ (5,755) | $ (3,437) |
Charged to Costs and Expenses | (2,252) | (2,318) | |
Charged to Other Accounts | 799 | 2,720 | |
Balance at End of Year | (4,488) | (3,035) | (5,755) |
Valuation Allowance of Deferred Tax Assets | |||
Valuation And Qualifying Accounts Disclosure [Line Items] | |||
Balance at Beginning of Year | (1,108) | (1,916) | (1,087) |
Charged to Costs and Expenses | (829) | ||
Charged to Other Accounts | (357) | 808 | |
Balance at End of Year | (1,465) | (1,108) | (1,916) |
Allowance for Doubtful Accounts | |||
Valuation And Qualifying Accounts Disclosure [Line Items] | |||
Balance at Beginning of Year | (1,927) | (3,839) | (2,350) |
Charged to Costs and Expenses | (2,252) | (1,489) | |
Charged to Other Accounts | 1,156 | 1,912 | |
Balance at End of Year | $ (3,023) | $ (1,927) | $ (3,839) |