Commitments and Contingencies (Details 2) - Unfunded Commitment [Member] $ in Thousands	12 Months Ended
Dec. 31, 2016 USD ($)
Loan Commitment	$ 10,600
Cambia [Member]
Loan Commitment	300
Keystone Dental [Member]
Loan Commitment	2,500
Narcan [Member]
Loan Commitment	3,800
Tenex Health, Inc. [Member]
Loan Commitment	3,000
Thermedex, LLC [Member]
Loan Commitment	$ 1,000

The cash inflow associated with the sale or collection of receivables arising from the financing of goods and services.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3179-108585

Name:	us-gaap_ProceedsFromSaleAndCollectionOfFinanceReceivables
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration