Litigation, Commitments and Contingencies (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2019	Dec. 31, 2018
Loss Contingency [Abstract]
Estimated recoverable amount	$ 432,067	$ 432,067	$ 392,436
Personnel Staffing Group d/b/a MVP Staffing [Member]
Loss Contingency [Abstract]
Per claim deductible amount		500
Damages sought		$ 0
Percentage of required collateral	110.00%	110.00%
Deductible receivables	$ 10,800	$ 10,800
Average monthly deductible invoices	1,500
Estimated recoverable amount	44,600	44,600
Personnel Staffing Group d/b/a MVP Staffing [Member] | Minimum [Member]
Loss Contingency [Abstract]
Loss fund	$ 4,000	$ 4,000