Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2018

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, 2018 and 2017 (dollars in thousands):

	December 31, 2018
	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	$	15,185	$	—	$	15,185	$	—
State and local government	15,788		—		15,788		—
Corporate debt	29,846		—		29,846		—
Asset-backed securities	24,284		—		24,284		—
Mortgage-backed securities	29,240		—		29,240		—
Commercial mortgage-backed securities	3,953		—		3,953		—
Collateralized mortgage obligations	2,144		—		2,144		—
Total debt securities	120,440		—		120,440		—
Equity Securities	6,587		6,323		264		—
Short-term investments	8,925		8,925				—
Total marketable investments measured at fair value	$	135,952	$	15,248	$	120,704	$	—
Investments measured at NAV:
Investment in limited partnership	$	4,150
Total investments measured at NAV	$	4,150
Total assets measured at fair value	$	140,102
Liabilities:
Senior Unsecured Notes *	$	21,252	$	—	$	21,252	$	—
Subordinated Notes *	10,640		—		—		10,640
Total Liabilities measured at fair value	$	31,892	$	—	$	21,252	$	10,640

* Carried at face value of debt net of unamortized debt issuance costs on the consolidated balance sheet

	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-backed securities	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:
Subordinated Notes *	$	29,888	$	—	$	—	$	29,888
Total Liabilities measured at fair value	$	29,888	$	—	$	—	$	29,888