Subsequent Events (Narrative) (Details) $ in Thousands	3 Months Ended	9 Months Ended
	Jun. 30, 2020 USD ($)	Sep. 30, 2020 USD ($) item	Dec. 31, 2020 USD ($)	Oct. 31, 2020 USD ($)	Oct. 17, 2020 USD ($)
Subsequent Event [Line Items]
Number of payments to be received | item		3
Settlement agreement receivable		$ 7,000
Receivable payment required, number of business days from execution of agreement		2 days
Amount due for fees and collection if receivable installment is not timely		$ 4,925
Company Merger Consideration [Member]
Subsequent Event [Line Items]
Proceeds from nonrefundable deposit	$ 500
Forecast [Member]
Subsequent Event [Line Items]
Settlement agreement, receivable installment payment			$ 2,250
Subsequent Event [Member]
Subsequent Event [Line Items]
Settlement agreement, receivable installment payment				$ 2,500	$ 2,250