Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2018

Fair Value Disclosures [Abstract]

Assets Measured at Fair Value on a Recurring Basis

The following tables present the balances of assets measured at fair value on a recurring basis as of June 30, 2018 and December 31, 2017, by level within the fair value hierarchy.

	June 30, 2018
	Level 1		Level 2		Level 3		Total
	(in thousands)
Assets
Fixed maturities:
U.S. Treasury securities and obligations of U.S. government agencies	$	607	$	—	$	—	$	607
Obligations of states, municipalities and political subdivisions	—		155,601		—		155,601
Corporate and other securities	—		85,008		—		85,008
Asset-backed securities	—		124,048		—		124,048
Residential mortgage-backed securities	—		102,658		—		102,658
Total fixed maturities	607		467,315		—		467,922
Equity securities:
Exchange traded funds	39,434		—		—		39,434
Nonredeemable preferred stock	—		18,785		—		18,785
Total equity securities	39,434		18,785		—		58,219
Total	$	40,041	$	486,100	$	—	$	526,141

	December 31, 2017
	Level 1		Level 2		Level 3		Total
	(in thousands)
Assets
Fixed maturities:
U.S. Treasury securities and obligations of U.S. government agencies	$	9,098	$	—	$	—	$	9,098
Obligations of states, municipalities and political subdivisions	—		164,326		—		164,326
Corporate and other securities	—		71,631		—		71,631
Asset-backed securities	—		95,360		—		95,360
Residential mortgage-backed securities	—		84,776		—		84,776
Total fixed maturities	9,098		416,093		—		425,191
Equity securities:
Exchange traded funds	34,380		—		—		34,380
Nonredeemable preferred stock	—		19,752		—		19,752
Total equity securities	34,380		19,752		—		54,132
Total	$	43,478	$	435,845	$	—	$	479,323