Investments (Tables)

12 Months Ended

Dec. 31, 2014

Investments, Debt and Equity Securities [Abstract]

Available-for-sale Securities

The cost and carrying value of available-for-sale investments were as follows (in thousands):

December 31, 2014	Cost		Gross Unrealized  Gains		Gross Unrealized  Losses			Carrying Value
Debt securities: corporate bonds	$	8,909	$	198	$	(65	)	$	9,042
Marketable equity securities	14,780		7,335		(125		)	21,990
Total	$	23,689	$	7,533	$	(190	)	$	31,032

December 31, 2013	Cost		Gross Unrealized  Gains		Gross Unrealized  Losses			Carrying Value
Debt securities: corporate bonds	$	8,988	$	213	$	(29	)	$	9,172
Marketable equity securities	31,023		10,835		(450		)	41,408
Total	$	40,011	$	11,048	$	(479	)	$	50,580

Investments Classified by Contractual Maturity Date

The amortized cost and carrying value of investments in debt securities, by contractual maturity, are shown below.  Actual maturity dates may differ from contractual maturity dates because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties (in thousands):

	December 31, 2014				December 31, 2013
	Amortized Cost		Carrying Value		Amortized Cost		Carrying Value
Due in one year or less	$	3,786	$	3,958	$	68	$	68
Due after one year through five years	3,310		3,255		5,981		6,178
Due after five years	1,813		1,829		2,939		2,926
	$	8,909	$	9,042	$	8,988	$	9,172

Realized Gain (Loss) on Investments

Included in other income in the accompanying consolidated financial statements is the pre-tax net realized gain or loss on investments (in thousands):

	Year Ended December 31,
	2014			2013			2012
Gross realized gains:
Debt securities	$	7		$	3		$	845
Equity securities and other investments	5,545			24,110			1,173
Total gain	5,552			24,113			2,018
Gross realized losses:
Debt securities	(116		)	(152		)	(2		)
Equity securities and other investments	(1,781		)	(319		)	(2,136		)
Total loss	(1,897		)	(471		)	(2,138		)
Net realized gain (loss)	$	3,655		$	23,642		$	(120	)

Schedule of Unrealized Loss on Investments

The following table summarizes the market value of those investments in an unrealized loss position for periods less than and greater than 12 months (in thousands):

	December 31, 2014				December 31, 2013
Less than 12 months	Fair Value		Gross Unrealized Loss		Fair Value		Gross Unrealized Loss
Debt securities: corporate bonds	$	3,228	$	65
Marketable equity securities	1,807		122		$	4,453	$	254
Total	$	5,035	$	187	$	4,453	$	254

	December 31, 2014				December 31, 2013
Greater than 12 months	Fair Value		Gross Unrealized Loss		Fair Value		Gross Unrealized Loss
Debt securities: corporate bonds					$	5,744	$	29
Marketable equity securities	$	9	$	3	2,368		196
Total	$	9	$	3	$	8,112	$	225

Schedule of Cost and Equity Method Investments

The Company owned the following investments that are not classified as available-for-sale (in thousands):

	December 31, 2014				December 31, 2013
	Carrying Value		Voting Interest		Carrying Value		Voting Interest
Investment in Synthonics, cost method	$	2,170	19.6	%	$	2,170	19.9	%
Investment in Mindjet:
Investment in common stock, equity method	$	6,611	15.0	%	$	8,697	15.2	%
Investment in preferred stock, cost method	15,858		13.4	%	17,210		13.6	%
	$	22,469	28.4	%	$	25,907	28.8	%
Total	$	24,639			$	28,077