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Other Comprehensive Income and Accumulated Other Comprehensive Income - Summary of Changes in Accumulated Other Comprehensive Income/(Loss), by Component (Detail) - USD ($)
$ in Thousands
Sep. 30, 2024
Jun. 30, 2024
Mar. 31, 2024
Dec. 31, 2023
Sep. 30, 2023
Jun. 30, 2023
Mar. 31, 2023
Accumulated Other Comprehensive Income Loss [Line Items]              
Beginning balance $ 264,327 $ 266,676 $ 194,521 $ 232,271 $ 345,403 $ 412,123 $ 169,872
Ending balance 237,121 264,327 266,676 194,521 232,271 345,403 412,123
Total Accumulated Other Comprehensive Income (Loss) [Member]              
Accumulated Other Comprehensive Income Loss [Line Items]              
Beginning balance (3,362) (3,525) (3,542) (1,065) (796) (775) (875)
Ending balance $ (3,140) $ (3,362) $ (3,525) $ (3,542) $ (1,065) $ (796) $ (775)