Summary of Significant Accounting Policies - Recently Issued Accounting Pronouncements (Details) - USD ($)	Jun. 30, 2016	Dec. 31, 2015
Simplifying the Presentation of Debt Issuance Costs
Assets	$ 218,633,000	$ 188,626,000
Liabilities	$ 77,611,000	69,751,000
Accounting Standards Update ("ASU") 2015-03 - Simplifying the Presentation of Debt Issuance Costs \| Retrospective basis
Simplifying the Presentation of Debt Issuance Costs
Assets		(104,000)
Liabilities		$ (104,000)

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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 210.5-02.18)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 12
-Article 7

Name:	us-gaap_Assets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant