Long-Term Debt - Terms and Covenants (Details) - Senior unsecured notes due 2021	12 Months Ended
Dec. 31, 2015 USD ($)
Debt Instrument [Line Items]
Covenant Compliance	As of December 31, 2015, the Company was not in compliance with the covenants described above.
Minimum net worth	$ 100,000,000
Maximum
Debt Instrument [Line Items]
Net borrowings to total assets	70.00%

States whether the entity was in compliance with the debt covenants throughout the reporting period, and describes facts and circumstances of any compliance failure.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5

Name:	us-gaap_DebtInstrumentCovenantCompliance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration