Investments (Tables)

3 Months Ended

Mar. 31, 2013

Investments [Abstract]

Summary of amortized cost, gross unrealized gains and losses, and estimated fair value available-for-sale securities

	Amortized Cost		Gross Unrealized Gain		Gross Unrealized Loss			Fair Value
As of March 31, 2013
Fixed-maturity securities
U.S. Treasury and U.S. government agencies	$	1,669		89		—			1,758
Corporate bonds		10,569		551		(3	)		11,117
Commercial mortgage-backed securities		9,944		801		(4	)		10,741
State, municipalities, and political subdivisions		9,747		918		(1	)		10,664
Redeemable preferred stock		818		19		—			837
Total	$	32,747		2,378		(8	)		35,117
Equity securities	$	9,407		648		(111	)		9,944
As of December 31, 2012
Fixed-maturity securities
U.S. Treasury and U.S. government agencies	$	1,359		88		—			1,447
Corporate bonds		10,298		572		(10	)		10,860
Commercial mortgage-backed securities		10,708		936		—			11,644
State, municipalities, and political subdivisions		10,152		914		—			11,066
Redeemable preferred stock		919		18		(1	)		936
Total	$	33,436		2,528		(11	)		35,953
Equity securities	$	8,756		303		(183	)		8,876

Scheduled maturities of fixed-maturity securities

	Amortized Cost		Estimated Fair Value
Available-for-sale
Due in one year or less	$	1,454		1,457
Due after one year through five years		9,586		9,976
Due after five years through ten years		6,451		6,968
Due after ten years		5,312		5,975
Commercial mortgage-backed securities		9,944		10,741
	$	32,747		35,117

Summary of proceeds received and gross realized gains and losses from sales of available for sale securities

	Proceeds		Gross Realized Gains		Gross Realized Losses
Three months ended March 31, 2013
Fixed-maturity securities	$	1,037		32		—
Equity securities	$	361		20		(32	)
Three months ended March 31, 2012
Fixed-maturity securities	$	1,222		29		(3	)
Equity securities	$	100		—		(5	)

Summary of securities with gross unrealized loss positions aggregated by investment category

	Less Than Twelve Months					Twelve Months or Greater					Total
As of March 31, 2013	Gross Unrealized Loss			Estimated Fair Value		Gross Unrealized Loss			Estimated Fair Value		Gross Unrealized Loss			Estimated Fair Value
Fixed-maturity securities
Corporate bonds	$	(3	)		442		—			—		(3	)		442
Commercial mortgage-backed securities		(4	)		356		—			—		(4	)		356
State, municipalities, and political subdivisions		(1	)		226		—			—		(1	)		226
Redeemable preferred stock		—			54		—			—		—			54
Total fixed-maturity securities		(8	)		1,078		—			—		(8	)		1,078
Equity securities		(80	)		2,652		(31	)		192		(111	)		2,844
Total available-for-sale securities	$	(88	)		3,730		(31	)		192		(119	)		3,922

Summary of other invested assets

	March 31, 2013			December 31, 2012
Land	$	10,993			10,993
Land improvements		1,328			1,326
Buildings		2,869			2,869
Other		1,303			1,238
Total, at cost		16,493			16,426
Less: accumulated depreciation and amortization		(434	)		(339	)
Other investments	$	16,059			16,087