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Nature of Business and Basis of Presentation (Schedule of breakdown of loan modification requests) (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2020 USD ($) Investments
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans | Investments	428
Amount	$ 380,203
% of Total portfolio	18.70%
Payment deferrals [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans	252
Amount	$ 208,555
% of Total portfolio	10.30%
Interest Only [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans	170
Amount	$ 168,723
% of Total portfolio	8.30%
Financial difficulty (TDR) [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans	6
Amount	$ 2,925
% of Total portfolio	0.10%

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- Definition

Percentage of deferrals of payments.

+ References

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- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953676-111524

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Amount of financing receivable modified as troubled debt restructuring.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953676-111524

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 40
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=121585226&loc=d3e18845-111554

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