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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Cash
-URI http://asc.fasb.org/extlink&oid=6506951

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Cash Equivalents
-URI http://asc.fasb.org/extlink&oid=6507016

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 20
-Article 5

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-Name Regulation S-X (SX)
-Number 210
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-Paragraph 16
-Article 9

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FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015	Nov. 04, 2015	Sep. 30, 2015	Jul. 14, 2015	Dec. 31, 2014	Aug. 30, 2013	Aug. 20, 2010	Aug. 12, 2010
Fair value of financial instruments
Floating rate debt	$ 548,276	$ 588,434
Secured Debt \| $100 Million Term Loan Facility
Fair value of financial instruments
Floating rate debt	54,330	60,100
Face amount of term loan facility	100,000			$ 100,000					$ 100,000
Secured Debt \| $253 Million Term Loan Facility
Fair value of financial instruments
Restricted cash	9,750	9,750
Floating rate debt	130,043	145,268
Face amount of term loan facility	253,000	253,000		253,000				$ 253,000
Secured Debt \| $22 Million Term Loan Facility
Fair value of financial instruments
Floating rate debt	17,500	18,625
Face amount of term loan facility	22,000	22,000		22,000	$ 22,000		$ 22,000
Line of Credit Facility \| $98 Million Credit Facility
Fair value of financial instruments
Restricted cash	9,750	9,750
Floating rate debt	98,271	98,271
Face amount of term loan facility	98,000	98,000	$ 98,000
Line of Credit Facility \| $148 Million Credit Facility
Fair value of financial instruments
Floating rate debt	131,394	140,383
Face amount of term loan facility	148,000	148,000		$ 148,000	$ 148,000	$ 148,000
Carrying Value
Fair value of financial instruments
Cash and cash equivalents	40,028	121,074
Restricted cash	19,815	19,815
Floating rate debt	548,276	588,434
Fair value
Fair value of financial instruments
Cash and cash equivalents	40,028	121,074
Restricted cash	19,815	19,815
Floating rate debt	$ 548,276	$ 588,434