Loans Receivable, Net (Narrative) (Details)	3 Months Ended
	Mar. 31, 2019 USD ($) loan	Mar. 31, 2019 USD ($) loan	Mar. 31, 2019 USD ($) payments loan	Dec. 31, 2018 USD ($)	Mar. 31, 2018 loan
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonperforming Loans, Accrual Status, Minimum Consecutive Payments		90	6
TDRs included in impaired loans	$ 1,300,000.0	$ 1,300,000.0	$ 1,300,000.0	$ 1,400,000.0
Financing Receivable, Modifications, Subsequent Default, Aggregate Number of Contracts | loan	1	1	1		1
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	$ 5,497,920	$ 5,497,920	$ 5,497,920	$ 9,364,125