Loans Receivable, Net (Narrative) (Details)	3 Months Ended
	Mar. 31, 2021 USD ($) loan	Mar. 31, 2021 USD ($) loan	Mar. 31, 2021 USD ($) loan payments	Dec. 31, 2020 USD ($)	Mar. 31, 2020 loan
Financing Receivable, Past Due [Line Items]
Nonperforming Loans, Accrual Status, Minimum Consecutive Payments		90	6
TDRs included in impaired loans	$ 720,000	$ 720,000	$ 720,000	$ 315,000
Financing Receivable, Modifications, Subsequent Default, Aggregate Number of Contracts | loan	0	0	0		0
Days Past Due to Be Considered In Default		30
Review period to request a new third party appraisal	24 months
Impaired Financing Receivable, Recorded Investment	$ 2,589,088	$ 2,589,088	$ 2,589,088	$ 2,219,330