Earnings per share (Tables)

3 Months Ended

Mar. 31, 2014

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

		Three Months Ended
		March 31,
(Amounts in thousands, except share and per share amounts)		2014		2013
	Net income	$	15,244	$	14,162
	Weighted average shares outstanding – basic and diluted		5,109,717		5,108,016
	Net income per common share – basic and diluted	$	2.98	$	2.77