Premises and Equipment (Tables)

12 Months Ended

Dec. 31, 2015

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment [Table Text Block]

	December 31,
	2015			2014
	(in thousands)
Bank premises	$	83,431		$	82,494
Land and improvements	33,971			33,971
Furniture, fixtures, and equipment	40,025			51,320
Leasehold improvements	18,958			18,160
Construction in progress	1,999			848
Total	178,384			186,793
Accumulated depreciation and amortization	(59,849		)	(72,975		)
Premises and equipment, net	$	118,535		$	113,818

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

	(in thousands)
2016	$	8,547
2017	7,999
2018	7,536
2019	6,628
2020	4,986
Thereafter	8,879
Total future minimum rental payments	$	44,575