Income Taxes Schedule of Components of Income Taxes (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Federal	$ 9,163,000	$ 5,745,000	$ 4,179,000
State	71,000	81,000	34,000
Total current	9,234,000	5,826,000	4,213,000
Federal	(4,649,054)	2,755,777	976,624
State	(14,946)	34,223	38,376
Deferred Income Tax Expense (Benefit)	(4,664,000)	2,790,000	1,015,000
Total	$ 4,570,000	$ 8,616,000	$ 5,228,000