The cash outflow associated with purchasing loans held for investment purposes during the period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3213-108585

Name:	us-gaap_PaymentsToAcquireLoansHeldForInvestment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Subsequent Events (Details) - USD ($) $ in Thousands		2 Months Ended	12 Months Ended
Subsequent Events (Details) - USD ($) $ in Thousands	Jun. 15, 2016	Mar. 02, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Subsequent Event [Line Items]
Purchase of term loans	$ 6,700		$ 6,671	$ 0	$ 0
Subsequent Event
Subsequent Event [Line Items]
Purchase of term loans		$ 13,500