Condensed Financial Statements of Parent Company (Schedule of Parent Company Statements of Cash Flows) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 2,001	$ 477
Adjustments to reconcile net income to net cash used by operating activities:
Depreciation	43	30
Amortization of deferred loan fees	(269)	(258)
Amortization of debt issuance costs	86	85
Provision (credit) for loan losses	(544)	666
Accretion of loan discount	(247)	(24)
Gain on sale of loans		(13)
Changes in:
Accrued interest receivable	76	31
Other assets	(469)	103
Accrued interest payable	17	41
Other liabilities	1,236	(15)
Net cash provided by operating activities	1,930	1,123
CASH FLOWS FROM INVESTING ACTIVITIES:
Loan purchases	(2,255)	(2,721)
Loan originations	(7,951)	(15,486)
Loan sales		5,414
Loan principal collections	25,324	17,817
Sale of property and equipment	4
Purchase of property and equipment	(176)	(14)
Net cash provided by investing activities	14,946	5,010
CASH FLOWS FROM FINANCING ACTIVITIES:
Change in term-debt	(5,088)	(4,977)
Net change in notes payable	4,709	(696)
Debt issuance costs	(49)	(92)
Dividends paid on preferred units	(331)	(405)
Net cash (used) by financing activities	(759)	(6,170)
Net increase (decrease) in cash and restricted cash	16,117	(37)
Cash, cash equivalents, and restricted cash at beginning of period	9,928	9,965
Cash, cash equivalents, and restricted cash at end of period	26,045	9,928
Supplemental disclosures of cash flow information
Interest paid	5,046	4,795
Income taxes paid	20	23
Transfer of loans to foreclosed assets	479
Dividends declared to preferred unit holders	237	107
Ministry [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	2,001	477
Adjustments to reconcile net income to net cash used by operating activities:
Equity in undistributed net income of subsidiaries	(1,190)	(320)
Depreciation	40	27
Amortization of deferred loan fees	(269)	(258)
Amortization of debt issuance costs	86	85
Provision (credit) for loan losses	(544)	666
Accretion of loan discount	(247)	(24)
Gain on sale of loans		(13)
Changes in:
Accrued interest receivable	76	31
Other assets	(418)	179
Accrued interest payable	17	41
Other liabilities	940	97
Net cash provided by operating activities	492	988
CASH FLOWS FROM INVESTING ACTIVITIES:
Loan purchases	(2,255)	(2,721)
Loan originations	(7,951)	(15,486)
Loan sales		5,414
Loan principal collections	25,324	17,817
Sale of property and equipment	4
Purchase of property and equipment	(170)	(13)
Net cash provided by investing activities	14,952	5,011
CASH FLOWS FROM FINANCING ACTIVITIES:
Change in term-debt	(5,088)	(4,977)
Net change in notes payable	4,709	(696)
Debt issuance costs	(49)	(92)
Dividends paid on preferred units	(331)	(405)
Net cash (used) by financing activities	(759)	(6,170)
Net increase (decrease) in cash and restricted cash	14,685	(171)
Cash, cash equivalents, and restricted cash at beginning of period	8,612	8,783
Cash, cash equivalents, and restricted cash at end of period	23,297	8,612
Supplemental disclosures of cash flow information
Interest paid	5,046	4,795
Income taxes paid	20	23
Transfer of loans to foreclosed assets	$ 479
Dividends declared to preferred unit holders		$ 107