Note 7. Share-based Compensation (Tables)

6 Months Ended

Jun. 30, 2015

Share-based compensation expense [Abstract]

Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block]

	Three Months Ended June 30,						Six Months Ended June 30,
(Dollars in thousands)	2015			2014			2015			2014
Salaries, wages and employee benefits	$	789		$	7,646		$	6,075		$	10,976
Deferred income tax benefit	(302		)	(2,981		)	(2,327		)	(4,280		)
Net share-based compensation expense	$	487		$	4,665		$	3,748		$	6,696