Investments (Tables)

6 Months Ended

Jun. 30, 2014

Investments, All Other Investments [Abstract]

Schedule of Cost and Equity Method Investments [Table Text Block]

The following table summarizes the Company's investments (dollars in thousands):



	June 30, 2014		Percent Ownership of Voting Stock					December 31, 2013		Percent Ownership of Voting Stock
Cost and equity method investments:
Cost method investments	$	15,092	6	%	to	19	%	$	15,788	6	%	to	19	%
Equity method investments	1,322		21	%	to	50	%	1,690		21	%	to	50	%
Total cost and equity method investments	16,414							17,478
Available-for-sale securities:
Convertible debt securities	2,630							3,174
Redeemable preferred shares	4,544		19	%	to	23	%	—		19	%
Total available-for-sale securities	7,174							3,174
Total investments	$	23,588						$	20,652

Schedule of Available-for-sale Securities Reconciliation [Table Text Block]

The following table summarizes the amortized cost, gross unrealized loss and fair value of the Company's available-for-sale securities as of June 30, 2014 and December 31, 2013 (in thousands):



	June 30, 2014							December 31, 2013
	Amortized Cost		Gross Unrealized Loss			Fair Value		Amortized Cost		Gross Unrealized Loss			Fair Value
Available-for-sale securities:
Convertible debt securities	$	3,370	$	(740	)	$	2,630	$	3,370	$	(196	)	$	3,174
Redeemable preferred shares	4,599		(55		)	4,544		—		—			—
Total available-for-sale securities	$	7,969	$	(795	)	$	7,174	$	3,370	$	(196	)	$	3,174