Note 7. Share-based Compensation (Tables)

3 Months Ended

Mar. 31, 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 March 31,
(Dollars in thousands)	2015			2014
Salaries, wages and employee benefits	$	5,286		$	3,330
Deferred income tax benefit	(2,025		)	(1,299		)
Net share-based compensation expense	$	3,261		$	2,031