Income Taxes (Tax Rate Reconciliation) (Details)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Abstract]
Statutory federal tax rate	21.00%	21.00%	35.00%
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent	0.00%	(0.10%)	(0.50%)
State income taxes, net of federal tax benefit	1.40%	(0.20%)	(39.70%)
effective tax rate reconciliation, non-deductible expense, warrant remeasurement, percent	(2.90%)	(1.50%)	(485.00%)
Effective Income Tax Rate Reconciliation, Deduction, Employee Stock Ownership Plan Dividend, Percent	0.00%	(0.80%)	(21.70%)
Tax effect of other non-deductible expenses	1.70%	0.80%	(19.60%)
Other	0.40%	(0.60%)	3.50%
Effective income tax rate	16.20%	22.40%	432.60%
2017 Tax Cuts and Jobs Act [Member]
Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Abstract]
Statutory federal tax rate	0.00%	0.00%	917.20%
return to income tax provision adjustment [Member]
Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Abstract]
Other	(5.40%)	3.80%	0.00%