Litigation, Commitments and Contingencies (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2020	Dec. 31, 2019
Loss Contingency [Abstract]
Estimated recoverable amount	$ 421,757	$ 432,067
ASU 2016-13 [Member]
Loss Contingency [Abstract]
Allowance for credit losses, before tax		15,000
Allowance for credit losses, net of tax		11,850
Charge incurred to operations, gross		31,730
Charge incurred to operations, net of tax		$ 25,067
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%
Deductible receivables	$ 17,338
Average monthly deductible invoices	1,085
Estimated recoverable amount	46,730
Personnel Staffing Group d/b/a MVP Staffing [Member] | Minimum [Member]
Loss Contingency [Abstract]
Loss fund	$ 4,000