Business Operations - Additional Information (Detail) $ in Thousands	3 Months Ended	6 Months Ended	21 Months Ended
	Jun. 30, 2020 USD ($)	Dec. 31, 2021 USD ($) Bed a Area	Dec. 31, 2021 USD ($)
Business And Organization [Line Items]
Employee retention credit amending quarterly payroll tax filing amount		$ 3,586
Provider Relief Fund Distributions CARES Act [Member]
Business And Organization [Line Items]
Recognized amount related to provide relief fund as other income		$ 5,546
Healthcare Services Segment [Member] | Mississippi [Member]
Business And Organization [Line Items]
Area of unimproved land owned by subsidiary | a		5
Healthcare Services Segment [Member] | Georgia [Member]
Business And Organization [Line Items]
Area of unimproved land owned by subsidiary | a		25
Healthcare Services Segment [Member] | Acute Care Hospital [Member] | Mississippi [Member]
Business And Organization [Line Items]
Number of licensed-bed owned and operated by a subsidiary | Bed		84
Number of bed in nursing home owned and operated by subsidiary | Bed		66
Number of bed in geriatric psychology subsidiary | Bed		26
Pharmacy Segment [Member] | Louisiana [Member]
Business And Organization [Line Items]
Number of operational areas | Area		3
Healthcare and Pharmacy segments [Member] | Provider Relief Fund Distributions CARES Act [Member]
Business And Organization [Line Items]
Proceeds under relief fund distributions			$ 6,173
Healthcare and Pharmacy segments [Member] | Paycheck Protection Program, CARES Act [Member]
Business And Organization [Line Items]
Proceeds from long-term debt	$ 3,234