Fair Value Measurements - Financial Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturity securities	$ 112,469	$ 107,093
Equity securities	4,443	4,240
Short-term investments	16,304	6,391
Total assets measured at fair value	133,216	117,724
Total liabilities measured at fair value	14,750	12,750
Senior debt
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Senior debt	14,750	12,750
Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term investments	16,304	6,391
Total assets measured at fair value	20,747	10,631
Total liabilities measured at fair value		0
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Senior debt
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Senior debt		0
Significant Other Observable Inputs (Level 2)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total assets measured at fair value	112,469	107,093
Total liabilities measured at fair value	14,750	12,750
Significant Other Observable Inputs (Level 2) \| Senior debt
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Senior debt	14,750	12,750
Significant Unobservable Inputs (Level 3)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total liabilities measured at fair value		0
Significant Unobservable Inputs (Level 3) \| Senior debt
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Senior debt		0
U.S. Government obligations
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturity securities	5,817	5,508
U.S. Government obligations \| Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturity securities
U.S. Government obligations \| Significant Other Observable Inputs (Level 2)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturity securities	5,817	5,508
State and local government
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturity securities	11,467	14,783
State and local government \| Significant Other Observable Inputs (Level 2)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturity securities	11,467	14,783
Corporate debt
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturity securities	34,994	38,784
Corporate debt \| Significant Other Observable Inputs (Level 2)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturity securities	34,994	38,784
Commercial mortgage-backed and other asset-backed
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturity securities	60,191	48,018
Commercial mortgage-backed and other asset-backed \| Significant Other Observable Inputs (Level 2)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturity securities	60,191	48,018
Fixed maturity securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturity securities	112,469	107,093
Fixed maturity securities \| Significant Other Observable Inputs (Level 2)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturity securities	112,469	107,093
Common stock
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Equity securities	4,443	4,240
Common stock \| Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Equity securities	$ 4,443	$ 4,240

Fair value portion of 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 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
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Amount of debt securities categorized neither as held-to-maturity nor trading.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
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Amount of equity securities categorized neither as held-to-maturity nor as trading.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Fair value of financial and nonfinancial obligations.

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