Fair Value - Schedule of Range of Probabilities (Details)	9 Months Ended
Sep. 30, 2017
Minimum [Member]
Percentage of probability	0.50%
Medium [Member]
Percentage of probability	1.00%
Maximum [Member]
Percentage of probability	5.00%

Percentage of likelihood a loan will not be repaid and instead default, used as an input to measure fair value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration