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National Telehealth Network - Additional Information (Detail) - NTN [Member] - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Jan. 01, 2016
Schedule of Equity Method Investments [Line Items]        
Loss attributed to non-controlling interest $ 1,643 $ 448 $ 4,194  
Noncontrolling Interest [Member]        
Schedule of Equity Method Investments [Line Items]        
Non controlling interest carrying value $ 19,974 $ 21,617 $ 22,065  
Minimum [Member]        
Schedule of Equity Method Investments [Line Items]        
Equity method investment, ownership percentage       50.00%
Maximum [Member]        
Schedule of Equity Method Investments [Line Items]        
Equity method investment, ownership percentage       100.00%