Mortgage Servicing Rights ("MSRs") (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Servicing Asset at Fair Value, Amount [Roll Forward]
Balance at beginning of period	$ 1,546	$ 300	$ 1,308	$ 0
Additions	141	431	307	731
Amortization	99	43	171	43
Change in valuation allowance	0	0	0	0
Balances at end of period	$ 1,786	$ 774	$ 1,786	$ 774

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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