Loans Receivable, Net (Past Due Financing Receivables) (Details) - USD ($)	Mar. 31, 2021	Dec. 31, 2020
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	$ 3,295,212	$ 2,417,185
Financing Receivable, Not Past Due	528,590,134	497,935,526
Financing Receivable, before Allowance for Credit Loss	531,885,346	500,352,711
Residential Real Estate 1 [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	363,741	312,786
Financing Receivable, Not Past Due	79,937,663	78,594,373
Financing Receivable, before Allowance for Credit Loss	80,301,404	78,907,159
Consumer [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	455,276	414,978
Financing Receivable, Not Past Due	53,517,678	54,920,447
Financing Receivable, before Allowance for Credit Loss	53,972,954	55,335,425
Commercial Business [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	64,630	56,706
Financing Receivable, Not Past Due	21,681,955	19,648,156
Financing Receivable, before Allowance for Credit Loss	21,746,585	19,704,862
Commercial Real Estate 1 [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	2,411,565	1,632,715
Financing Receivable, Not Past Due	313,261,074	297,666,932
Financing Receivable, before Allowance for Credit Loss	315,672,639	299,299,647
Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	1,793,917	1,077,508
Financial Asset, 30 to 59 Days Past Due [Member] | Residential Real Estate 1 [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	102,060	0
Financial Asset, 30 to 59 Days Past Due [Member] | Consumer [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	325,375	292,498
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Business [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	35,506	49,554
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Real Estate 1 [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	1,330,976	735,456
Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	299,498	530,094
Financial Asset, 60 to 89 Days Past Due [Member] | Residential Real Estate 1 [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	0	152,634
Financial Asset, 60 to 89 Days Past Due [Member] | Consumer [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	64,841	30,610
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Business [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	28,955	0
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Real Estate 1 [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	205,702	346,850
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	1,201,797	809,583
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Residential Real Estate 1 [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	261,681	160,152
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Consumer [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	65,060	91,870
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Business [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	169	7,152
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Real Estate 1 [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	$ 874,887	$ 550,409