Loans Receivable, Net (Schedule of loans evaluated individually for impairment and collectively evaluated for impairment in loans receivable) (Details) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Financing Receivable, Allowance for Credit Losses [Line Items]
Individually Evaluated For Impairment	$ 8,442,306	$ 8,328,034
Collectively Evaluated For Impairment	394,167,077	359,198,240
Total	402,609,383	367,526,274
Residential Real Estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Individually Evaluated For Impairment	1,883,741	2,181,740
Collectively Evaluated For Impairment	79,371,426	75,798,169
Total	81,255,167	77,979,909
Consumer
Financing Receivable, Allowance for Credit Losses [Line Items]
Individually Evaluated For Impairment	181,617	170,552
Collectively Evaluated For Impairment	56,580,078	50,497,342
Total	56,761,695	50,667,894
Commercial Business
Financing Receivable, Allowance for Credit Losses [Line Items]
Individually Evaluated For Impairment	100,401	145,401
Collectively Evaluated For Impairment	26,677,492	16,133,776
Total	26,777,893	16,279,177
Commercial Real Estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Individually Evaluated For Impairment	6,276,547	5,830,341
Collectively Evaluated For Impairment	231,538,081	216,768,953
Total	$ 237,814,628	$ 222,599,294

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

The balance of financing receivables that were collectively evaluated for impairment.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (h)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524

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The balance of financing receivables that were individually evaluated for impairment.

+ References

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- Definition

Amount representing an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date. Such amount may include accrued interest receivable in accordance with the terms of the note. The note also may contain provisions and related items including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among a myriad of other features and characteristics. Excludes amounts related to receivables held-for-sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.10(3))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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