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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

-Glossary Financing Activities

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-Name Accounting Standards Codification

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-Subparagraph (a)

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

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Common Stock Issuances (Details) (USD $)	12 Months Ended			0 Months Ended	3 Months Ended	0 Months Ended
Common Stock Issuances (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Nov. 25, 2014	Jun. 30, 2015	Mar. 12, 2015	Aug. 25, 2014 closing
Subsidiary or Equity Method Investee [Line Items]
Number of shares	819,384
Net proceeds from issuance of common stock	$ 7,822,000	$ 0	$ 0
Private Placement [Member]
Subsidiary or Equity Method Investee [Line Items]
Number of shares authorized to sell							1,057,137
Percent of outstanding common stock							9.90%
Share price							$ 9.75
Number of closings							2
Number of shares				819,384
Aggregate price				7,988,994
Scenario, Forecast [Member]
Subsidiary or Equity Method Investee [Line Items]
Number of shares authorized to sell					256,410
Share price					$ 9.75
Net proceeds from issuance of common stock					2,500,000
Scenario, Forecast [Member] \| Private Placement [Member]
Subsidiary or Equity Method Investee [Line Items]
Number of shares						237,753
Aggregate price						$ 2,318,092
Dividend rate						8.00%