Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 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 March 31, 2018 and December 31, 2017, by level within the fair value hierarchy.

	March 31, 2018
	Level 1		Level 2		Level 3		Total
	(in thousands)
Assets
Fixed maturities:
U.S. Treasury securities and obligations of U.S. government agencies	$	606	$	—	$	—	$	606
Obligations of states, municipalities and political subdivisions	—		158,715		—		158,715
Corporate and other securities	—		93,664		—		93,664
Asset-backed securities	—		122,937		—		122,937
Residential mortgage-backed securities	—		86,612		—		86,612
Total fixed maturities	606		461,928		—		462,534
Equity securities:
Exchange traded funds	35,939		—		—		35,939
Nonredeemable preferred stock	—		19,126		—		19,126
Total equity securities	35,939		19,126		—		55,065
Total	$	36,545	$	481,054	$	—	$	517,599

	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