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Troubled Debt Restructurings (Narrative) (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2020 USD ($) Investments	Dec. 31, 2019 USD ($) Investments
Troubled Debt Restructurings (Textual)
Total number of loans classified under troubled debt restructurings (TDRs) | Investments	24	19
Total sum of loans classified as troubled debt restructurings (TDRs)	$ 12,100	$ 9,300
Number of months previous loan payment defaulted	12 months	12 months
Recorded investment	$ 380,203
Financial difficulty (TDR) [Member]
Troubled Debt Restructurings (Textual)
Total number of loans classified under troubled debt restructurings (TDRs) | Investments	3
Recorded investment	$ 2,925

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Aggregate sum of loans classified as troubled debt restructurings.

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It covers narrative parts of troubled debt restructurings note.

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Amount of financing receivable modified as troubled debt restructuring.

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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

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-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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