Business Operations - Additional Information (Detail) $ in Thousands		1 Months Ended	6 Months Ended
	Dec. 13, 2018 shares	Dec. 31, 2018 shares	Dec. 31, 2018 USD ($) Segment Bed Service Nursing_Home shares	Nov. 29, 2018 shares
Business And Organization [Line Items]
Number of segments | Segment			2
Number of shares authorized to be repurchased | shares				750,000
Stock repurchased during period, shares | shares	300,000	359,959	359,959
Subsidiary [Member]
Business And Organization [Line Items]
No. of company's nursing homes sold | Nursing_Home			1
Business unit purchase offered by buyer | $			$ 7,300
Healthcare Services Segment [Member] | Community Hospital [Member]
Business And Organization [Line Items]
Number of licensed-bed owned and operated by a subsidiary			84
Healthcare Services Segment [Member] | Nursing Home [Member] | Mississippi [Member]
Business And Organization [Line Items]
Number of bed in nursing home owned and operated by subsidiary			66
Healthcare Services Segment [Member] | Nursing Home [Member] | Georgia [Member]
Business And Organization [Line Items]
Number of bed in nursing home owned and operated by subsidiary			100
Pharmacy Segment [Member] | Louisiana [Member]
Business And Organization [Line Items]
Number of material service lines | Service			4