Mortgage Banking Activities (Schedule of Serving Assets at Fair Value) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Servicing Asset at Fair Value, Amount [Roll Forward]
Balance at beginning of year	$ 1,308	$ 0
Additions	1,166	1,599
Amortization	(399)	(134)	(4)
Change in valuation allowance	157	(157)
Balances at end of year	$ 2,232	$ 1,308	$ 0

The periodic amortization (in proportion to and over the period of estimated net servicing income or loss) of capitalized servicing rights, which contractually entitle the servicer to receive fees and ancillary revenues for performing billing, collection, disbursement and recordkeeping services in connection with a mortgage portfolio. 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.

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The value of new servicing assets, subsequently measured at fair value, acquired or created during the current period through purchases or from transfers of financial assets.

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- Definition

Fair value as of the balance sheet date of an asset representing net future revenues from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements.

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- Definition

The net increase (decrease) in the valuation allowance for servicing assets subsequently measured using the amortization method.

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