The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Goodwill and Other Intangible Assets (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Goodwill [Line Items]
Goodwill Acquired	$ 69,860
Goodwill, translation and purchase accounting adjustments	(3,733)
Amortization of other intangible assets	4,621	$ 4,692	$ 4,627
Community banking
Goodwill [Line Items]
Goodwill Acquired	69,860
Goodwill, translation and purchase accounting adjustments	0
Specialty finance
Goodwill [Line Items]
Goodwill Acquired	0
Goodwill, translation and purchase accounting adjustments	(3,733)
Wealth management
Goodwill [Line Items]
Goodwill Acquired	0
Goodwill, translation and purchase accounting adjustments	$ 0
Core deposit intangibles \| Community banking
Goodwill [Line Items]
Finite-lived intangibles, useful life	10 years
Customer list intangibles \| Specialty finance
Goodwill [Line Items]
Finite-lived intangibles, useful life	18 years
Customer list intangibles \| Wealth management
Goodwill [Line Items]
Finite-lived intangibles, useful life	10 years