Fair Value (Narrative) (Details Textual) - USD ($)	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Federal Funds Purchased, Securities Sold Under Agreements To Repurchase, And Other Borrowings [Member] | Maximum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt instrument, term	90 days
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairments recorded on equity securities without readily determinable fair values	$ 0	$ 0
Impairments recorded on goodwill and other acquisition intangibles	$ 0	$ 0