Premises and Equipment Premises and Equipment (Tables)

12 Months Ended

Dec. 31, 2014

Property, Plant and Equipment [Abstract]

Premises and Equipment [Table Text Block]

Premises and equipment at December 31 are summarized as follows (in thousands):

	December 31,
	2014		2013
Land	$	71,371	$	75,859
Buildings and improvements	225,008		221,326
Software	120,010		103,473
Furniture and equipment	179,513		163,013
Construction in progress	21,805		31,027
Subtotal	617,707		594,698
Less accumulated depreciation	343,874		316,849
Total	$	273,833	$	277,849