CARES Act - Additional Information (Details)		1 Months Ended	12 Months Ended
	Dec. 27, 2020 USD ($) employee	Apr. 30, 2020 USD ($)	Jun. 30, 2021 USD ($)	Mar. 27, 2020 USD ($)	Sep. 07, 2018
Employee Retention Credit (ERC)
Unusual Or Infrequent Item [Line Items]
Number of maximum employees refundable tax credit | employee	500
Percentage of qualified wages paid to employees	70
Maximum credit per employee	$ 7,000
Claimed for employees			$ 5,000,000.0
Recognized as reduction to operating expenses			4,800,000
Acquired in purchase accounting			200,000
Expected to be settled shortly			$ 2,800,000
U.S. Department of Health and Human Services (HHS)
Unusual Or Infrequent Item [Line Items]
CARES Act Of 2020 Aid				$ 100,000,000,000
DME, Inc.
Unusual Or Infrequent Item [Line Items]
Percentage of equity interest acquired (as a percent)					80.10%
DME, Inc. | Paycheck Protection Program Loan
Unusual Or Infrequent Item [Line Items]
Percentage of equity interest acquired (as a percent)		80.10%
Loan amount received to use specified covered purpose including payroll, rent and utilities		$ 3,600,000
DME, Inc. | U.S. Department of Health and Human Services (HHS)
Unusual Or Infrequent Item [Line Items]
Amount received from HHS grants		$ 1,400,000