Investments (Tables)

3 Months Ended

Mar. 31, 2013

Investments, Debt and Equity Securities [Abstract]

Available-for-sale Securities [Table Text Block]

The amortized cost and estimated fair value of investments in debt and equity securities by category is as follows (in thousands):

			Gross		Gross
	Amortized		Unrealized		Unrealized			Fair
As of March 31, 2013	Cost		Gains		Losses			Value
U.S. Treasury securities and
obligations of U.S. Government	$	37,638	$	17	$	-		$	37,655
Corporate bonds		70,366		2,604		(909	)		72,061
Collateralized corporate bank loans		100,511		1,163		(315	)		101,359
Municipal bonds		161,183		3,860		(2,322	)		162,721
Mortgage-backed		33,856		228		(139	)		33,945
Total debt securities		403,554		7,872		(3,685	)		407,741
Financial services		10,778		7,619		-			18,397
All other		22,409		12,871		(888	)		34,392
Total equity securities		33,187		20,490		(888	)		52,789
Total debt and equity securities	$	436,741	$	28,362	$	(4,573	)	$	460,530
As of December 31, 2012
U.S. Treasury securities and
obligations of U.S. Government	$	40,050	$	14	$	(3	)	$	40,061
Corporate bonds		79,516		2,794		(763	)		81,547
Collateralized corporate bank loans		106,093		1,021		(743	)		106,371
Municipal bonds		162,479		4,023		(2,770	)		163,732
Mortgage-backed		9,662		97		(35	)		9,724
Total debt securities		397,800		7,949		(4,314	)		401,435
Financial services		11,008		3,880		(1	)		14,887
All other		20,494		9,058		(514	)		29,038
Total equity securities		31,502		12,938		(515	)		43,925
Total debt and equity securities	$	429,302	$	20,887	$	(4,829	)	$	445,360

Realized Gain (Loss) on Investments [Table Text Block]

Major categories of net realized (losses) gains on investments are summarized as follows (in thousands):

	Three Months Ended
	March 31,
	2013			2012
U.S. Treasury securities and
obligations of U.S. Government	$	-		$	-
Corporate bonds		358			(114	)
Collateralized corporate bank loans		173			1
Municipal bonds		(8	)		(80	)
Equity securities-financial services		188			92
Equity securities-all other		465			-
Gain (loss) on investments		1,176			(101	)
Other-than-temporary impairments		-			(18	)
Net realized gains (losses)	$	1,176		$	(119	)

Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Table Text Block]

The following schedules summarize the gross unrealized losses showing the length of time that investments have been continuously in an unrealized loss position as of March 31, 2013 and December 31, 2012 (in thousands):

	As of March 31, 2013
	12 months or less					Longer than 12 months					Total
			Unrealized					Unrealized					Unrealized
	Fair Value		Losses			Fair Value		Losses			Fair Value		Losses
U.S. Treasury securities and obligations
of U.S. Government	$	-	$	-		$	-	$	-		$	-	$	-
Corporate bonds		5,072		(55	)		6,301		(854	)		11,373		(909	)
Collateralized corporate bank loans		6,844		(90	)		10,354		(225	)		17,198		(315	)
Municipal bonds		24,459		(273	)		34,894		(2,049	)		59,353		(2,322	)
Mortgage-backed		18,013		(136	)		103		(3	)		18,116		(139	)
Total debt securities		54,388		(554	)		51,652		(3,131	)		106,040		(3,685	)
Financial services		-		-			-		-			-		-
All other		2,368		(888	)		-		-			2,368		(888	)
Total equity securities		2,368		(888	)		-		-			2,368		(888	)
Total debt and equity securities	$	56,756	$	(1,442	)	$	51,652	$	(3,131	)	$	108,408	$	(4,573	)

	As of  December 31, 2012
	12 months or less					Longer than 12 months					Total
			Unrealized					Unrealized					Unrealized
	Fair Value		Losses			Fair Value		Losses			Fair Value		Losses
U.S. Treasury securities and obligations
of U.S. Government	$	23,998	$	(3	)	$	-	$	-		$	23,998	$	(3	)
Corporate bonds		10,802		(38	)		6,910		(725	)		17,712		(763	)
Collateralized corporate bank loans		6,273		(97	)		14,236		(646	)		20,509		(743	)
Municipal bonds		30,073		(362	)		28,809		(2,408	)		58,882		(2,770	)
Mortgage-backed		7,367		(32	)		84		(3	)		7,451		(35	)
Total debt securities		78,513		(532	)		50,039		(3,782	)		128,552		(4,314	)
Financial services		92		(1	)		-		-			92		(1	)
All other		3,271		(514	)		-		-			3,271		(514	)
Total equity securities		3,363		(515	)		-		-			3,363		(515	)
Total debt and equity securities	$	81,876	$	(1,047	)	$	50,039	$	(3,782	)	$	131,915	$	(4,829	)

Schedule of Amortized Cost and Estimated Fair Value of Available for Sale Securities Contractual Maturities [Table Text Block]

The amortized cost and estimated fair value of debt securities at March 31, 2013 by contractual maturity are as follows. Expected maturities may differ from contractual maturities because certain borrowers may have the right to call or prepay obligations with or without penalties.

	Amortized		Fair
	Cost		Value
	(in thousands)
Due in one year or less	$	67,805	$	68,784
Due after one year through five years		161,830		163,838
Due after five years through ten years		88,205		89,711
Due after ten years		51,858		51,463
Mortgage-backed		33,856		33,945
	$	403,554	$	407,741