Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2012

Accounting Policies [Abstract]

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]

Stock-based compensation expense charged to the Condensed Consolidated Statements of Comprehensive Income is as follows:

	Three months ended September 30,				Nine months ended September 30,
(dollars in thousands)	2012		2011		2012		2011
Stock-based compensation expense	$	601	$	2,398	$	2,466	$	4,365

The third quarter of 2011 included non-cash compensation charges of $1.7 million related to accelerated vesting of previously issued equity compensation.