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Discontinued Operations - Additional Information (Detail) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Mar. 17, 2019
Dec. 31, 2019
Jun. 30, 2019
Parkside Nursing Home [Member]      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Proceeds from sale $ 7,300    
Pre-tax gain on the sale     $ 2,136
Life Sciences and Engineering [Member]      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Contribution to pension plan   $ 66  
Expected contribution to pension plan during the remaining fiscal year   $ 66