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Preferred and Common Shares and Additional Paid-in Capital (Details) - February 2017 Private Placement $ / shares in Units, $ in Thousands	1 Months Ended
	Feb. 02, 2017 USD ($) $ / shares shares
Class of Stock [Line Items]
Common shares offered in private placement	6,310,272
Price per share | $ / shares	$ 8.154
Proceeds from issuance of private placement, net of offering expenses | $	$ 50,554
Oaktree and its affiliates
Class of Stock [Line Items]
Common shares offered in private placement	3,244,292

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The cash inflow associated with the amount received from entity's raising of capital via private rather than public placement.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
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