Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2013

Fair Value Measurements [Abstract]

Schedule of assets and liabilities measured at fair value on a recurring basis

	Level 1 Inputs		Level 2 Inputs		Level 3 Inputs		Total Fair Value
	(in thousands)
Securities available for sale—equity
Domestic common stock	$	15,197	$	—	$	—	$	15,197
Securities available for sale—fixed maturity
States and political subdivisions		—		117,367		—		117,367
Corporate bonds		—		52,679		—		52,679
U.S. agency-based mortgage-backed securities		—		10,066		—		10,066
Total available for sale—fixed maturity		—	$	180,112		—		180,112
Total available for sale	$	15,197	$	180,112	$	—	$	195,309

	Level 1 Inputs		Level 2 Inputs		Level 3 Inputs		Total Fair Value
	(in thousands)
Securities available for sale—equity
Domestic common stock	$	6,766	$	—	$	—	$	6,766
Securities available for sale—fixed maturity
States and political subdivisions		—		98,242		—		98,242
Corporate bonds		—		39,810		—		39,810
U.S. agency-based mortgage-backed securities		—		11,087		—		11,087
Total available for sale—fixed maturity		—	$	149,139	$	—	$	149,139
Total available for sale	$	6,766	$	149,139	$	—	$	155,905

Summary of carrying or reported values and corresponding fair values for financial instruments

	As of March 31, 2013				As of December 31, 2012
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
	(in thousands)
Assets:
Fixed maturity securities—held-to-maturity	$	573,688	$	614,348	$	583,287	$	627,349
Fixed maturity securities—available-for-sale		180,112		180,112		149,139		149,139
Equity securities		15,197		15,197		6,766		6,766
Cash and cash equivalents		75,294		75,294		92,676		92,676
Short-term Investments		74,420		74,420		68,924		68,924