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FAIR VALUE - Change in the fair value of assets measured in the Condensed Consolidated Statements (Detail) - Fair Value, Inputs, Level 3 - Investments available-for-sale:
$ in Thousands
9 Months Ended
Sep. 30, 2021
USD ($)
Investments available-for-sale:  
Beginning balance $ 9,925
Additions of Level 3 assets 0
Sales of Level 3 assets (2,102)
Total unrealized loss included in other comprehensive income/ (loss) (414)
Ending balance $ 7,409