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Subsequent Events (Narrative) (Details) - USD ($)
$ in Thousands
6 Months Ended
Jul. 01, 2020
Jun. 30, 2020
Jun. 30, 2019
Subsequent Event [Line Items]      
Total purchase price for business acquisition   $ 295 $ 29,808
Subsequent Event | A Plus Health Care, Inc [Member]      
Subsequent Event [Line Items]      
Total purchase price for business acquisition $ 12,200