Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2017

Fair Value Disclosures [Abstract]

Summary of Assets and Liabilities Measured at Fair Value

The following tables present the Company’s assets and liabilities measured at fair value, classified by the valuation hierarchy as of December 31, 2017 and 2016 (dollars in thousands):

	December 31, 2017
	Fair Value Measurements Using
	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Debt Securities:
U.S. Government	$	17,090	$	—	$	17,090	$	—
State and local government	17,503		—		17,503		—
Corporate debt	38,908		—		38,908		—
Asset-backed securities	23,540		—		23,540		—
Mortgage-backed securities	33,458		—		33,458		—
Commercial mortgage-backed securities	3,491		—		3,491		—
Collateralized mortgage obligations	2,546		—		2,546		—
Total debt securities	136,536		—		136,536		—
Equity Securities	5,627		5,381		246		—
Short-term investments	11,427		8,429		2,998		—
Total investments measured at fair value	$	153,590	$	13,810	$	139,780	$	—
Investments measured at NAV:
Investment in limited partnership	$	4,060
Total investments measured at NAV	$	4,060
Total assets measured at fair value	$	157,650
Liabilities:
Debt*	$	29,888	$	—	$	—	$	29,888
Total Liabilities measured at fair value	$	29,888	$	—	$	—	$	29,888

* Carried at cost or amortized cost on the consolidated balance sheet

	December 31, 2016
	Fair Value Measurements Using
	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Debt Securities:
U.S. Government	$	5,903	$	—	$	5,903	$	—
State and local government	13,519		—		13,519		—
Corporate debt	34,056		—		34,056		—
Asset-backed securities	19,101		—		19,101		—
Mortgage-backed securities	32,857		—		32,857		—
Commercial mortgage-backed securities	4,711		—		4,711		—
Collateralized mortgage-backed securities	3,016		—		3,016		—
Total debt securities	113,163		—		113,163		—
Equity Securities	4,579		4,469		110		—
Short-term investments	10,788		10,788		—		—
Total assets measured at fair value	$	128,530	$	15,257	$	113,273	$	—
Liabilities:
Senior debt*	$	17,750	$	—	$	17,750	$	—
Total Liabilities measured at fair value	$	17,750	$	—	$	17,750	$	—

* Carried at cost or amortized cost on the consolidated balance sheet