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Concentrations of Credit Risk - Company's Demand Deposits and Temporary Cash Investments (Detail) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
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Concentration Risk [Line Items] |  |
Deposits in FDIC and SIPC-insured institutions under insurance limits | $ 601 | $ 2,043
Deposits in FDIC and SIPC-insured institutions over insurance limits | 149,769 | 125,405
Deposits in foreign banks | 6,406 | 9,342
Total cash and cash equivalents | 156,776 | 136,790
Less outstanding checks and other reconciling items | (19,223) | (19,266)
Cash and cash equivalents | $ 137,553 | $ 117,524

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