Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2021

Fair Value Disclosures [Abstract]

Fair Value Measurements for Investments in Available-for-Sale Fixed Maturity and Equity Securities

The following table presents our fair value measurements for our investments in available-for-sale fixed maturity and equity securities at March 31, 2021:

	Fair Value Measurements Using
	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(in thousands)
U.S. Treasury securities and obligations of U.S. government corporations and agencies	$	19,153	$	—	$	19,153	$	—
Obligations of states and political subdivisions		68,852		—		68,852		—
Corporate securities		202,775		—		202,775		—
Mortgage-backed securities		206,875		—		206,875		—
Equity securities		68,640		66,236		2,404		—
Total investments in the fair value hierarchy	$	566,295	$	66,236	$	500,059	$	—

The following table presents our fair value measurements for our investments in available-for-sale fixed maturity and equity securities at December 31, 2020: 

	Fair Value Measurements Using
	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(in thousands)
U.S. Treasury securities and obligations of U.S. government corporations and agencies	$	47,815	$	—	$	47,815	$	—
Obligations of states and political subdivisions		68,965		—		68,965		—
Corporate securities		212,708		—		212,708		—
Mortgage-backed securities		225,648		—		225,648		—
Equity securities		58,556		54,152		4,404		—
Totals	$	613,692	$	54,152	$	559,540	$	—