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National Telehealth Network - Additional Information (Detail) - NTN [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021	Jan. 01, 2016
Schedule of Equity Method Investments [Line Items]
Loss from equity method investments	$ 491	$ (562)	$ 1,214	$ 332
Noncontrolling Interest [Member]
Schedule of Equity Method Investments [Line Items]
Non controlling interest carrying value	$ 20,403		$ 20,403		$ 21,617
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%

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

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