Earnings (Loss) Per Share - Schedule of Earnings (Loss) Per Share (Details) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022 USD ($) $ / shares shares	Sep. 30, 2021 USD ($) $ / shares shares	Sep. 30, 2022 USD ($) $ / shares shares	Sep. 30, 2021 USD ($) $ / shares shares	Jun. 09, 2021
Numerator:
Net income (loss) attributable to UpHealth, Inc. | $	$ (165,762)	$ 30,757	$ (195,645)	$ (4,976)
Denominator:
Weighted average shares outstanding (in shares)	14,842	11,763	14,588	9,519
Weighted average shares outstanding assuming dilution (in shares)	14,842	11,807	14,588	9,519
Basic (in dollars per share) | $ / shares	$ (11.17)	$ 2.61	$ (13.41)	$ (0.52)
Diluted (in dollars per share) | $ / shares	$ (11.17)	$ 2.60	$ (13.41)	$ (0.52)
Exchange ratio					10.28
Stock awards
Denominator:
Dilutive effect of share-based payment arrangements (in shares)	0	27	0	0
RSUs
Denominator:
Dilutive effect of share-based payment arrangements (in shares)	0	17	0	0