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Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2012

Intangible Assets [Abstract]

Summary of amortizable intangible assets

		June 30, 2012												December 31, 2011
		Gross Carrying Amount				Accumulated Amortization				Net Amount				Gross Carrying Amount				Accumulated Amortization				Net Amount
Core deposit intangible		$	4,795,224			$	(4,458,514	)		$	336,710			$	4,795,224			$	(4,252,478	)		$	542,746

Estimated future amortization expense

		Core Deposit Intangible Asset
2012		$	202,026
2013			134,684
2014			—
2015			—
2016			—
2017			—

Net carrying amount of core deposit intangible assets

		Three Months Ended June 30,								Six Months Ended June 30,
		2012				2011				2012				2011
Balance at beginning of period		$	438,721			$	859,483			$	542,746			$	977,509
Additions			—				—				—				—
Amortization			(102,011	)			(108,687	)			(206,036	)			(226,713	)
Balance at end of period		$	336,710			$	750,796			$	336,710			$	750,796

Changes in mortgage servicing rights

		Three Months Ended June 30,								Six Months Ended June 30,
		2012				2011				2012				2011
Balance at beginning of period		$	2,746,606			$	2,327,929			$	2,308,377			$	2,355,990
Re-measurement to fair value upon election to measure servicing rights at fair value			—				—				741,758				—
Originated mortgage servicing rights			146,602				99,376				328,341				220,554
Changes in fair value:
Due to change in model inputs and assumptions (1)			106,045				—				275,627				—
Other changes in fair value (2)			(332,755	)			—				(987,605	)			—
Amortization			—				(155,390	)			—				(304,629	)
Balance at end of period		$	2,666,498			$	2,271,915			$	2,666,498			$	2,271,915

(1) The change in fair value resulting from changes in valuation inputs or assumptions used in valuation model primarily reflects the change in discount rates and prepayment speed assumptions primarily due to changes in interest rates.

(2) Other changes in fair value reflect changes due to customer payments and passage of time. This also includes a one time adjustment of a $538,032 correction of an immaterial prior period error due to changing from the straight-line amortization method to an accelerated amortization method of accounting for amortizing MSRs in prior years. If the aforementioned was corrected as of December 31, 2011, the balance at the beginning of the period would have been $1,770,345.

Assumption used in estimating the fair value of mortgage service rights

		June 30, 2012
Weighted-Average Constant Prepayment Rate			18.13	%
Weighted-Average Contractual Life (in years)			20.00
Weighted-Average Note Rate			4.49	%
Weighted-Average Discount Rate			8.04	%

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Tabular disclosure of all information related to the key inputs and assumptions used in measuring the fair value of assets obtained or liabilities incurred, as the result of a sale of financial assets, relating to the transferor's continuing involvement, if any, at the time of securitization, asset-backed financing arrangement, or similar transfer (including at a minimum, but not limited to, and if applicable, quantitative information about discount rates, expected prepayments including the expected weighted-average life of prepayable financial assets, and anticipated credit losses, including expected static pool losses).

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