Taxes - Reconciliation of Statutory Tax Rate to Effective Tax Rate (Details)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Federal statutory rate	21.00%	21.00%	34.00%
State statutory rate, net of Federal tax effect	8.60%	8.60%	7.20%
Differences in taxable (loss) income from GAAP income	(2.10%)	(1.70%)	(3.90%)
Change in valuation allowance	(2.20%)	1.90%	(1.00%)
Dividends paid deduction	(21.10%)	(21.30%)	(23.40%)
Federal statutory rate change	0	0	(0.052)
Effective Tax Rate	4.20%	8.50%	7.70%