Fair Value (Assets Recorded At Fair Value On A Nonrecurring Basis) (Details) - USD ($)	3 Months Ended	12 Months Ended
	Jun. 30, 2017	Dec. 31, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Nonrecurring fair value adjustment	$ 0	$ 0
Impaired loans	788,067	819,877
Real estate acquired through foreclosure	1,147,546	1,224,939
Total recorded assets measured at fair value on a nonrecurring basis	1,935,613	2,044,816
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans	788,067	819,877
Real estate acquired through foreclosure	659,876	1,224,939
Total recorded assets measured at fair value on a nonrecurring basis	$ 1,447,943	$ 2,044,816