Stock-based Compensation (Details) (USD $)	1 Months Ended	3 Months Ended			9 Months Ended							1 Months Ended	9 Months Ended		9 Months Ended
	Jan. 31, 2008	Sep. 30, 2012		Sep. 30, 2011	Sep. 30, 2012		Sep. 30, 2011	Aug. 22, 2012	Dec. 31, 2011		Dec. 31, 2008 Stock Options and Stock Appreciation Rights [Member]	Jan. 31, 2009 Restricted Stock Awards [Member]	Sep. 30, 2012 Restricted Stock Awards [Member]	Dec. 31, 2008 Restricted Stock Awards [Member]	Sep. 30, 2012 Stock options [Member]		Dec. 31, 2011 Stock options [Member]
Stock-based Compensation [Line Items]
Shares authorized (in shares)											126,287			50,514
Shares granted to directors and employees (in shares)					9,617							24,747	125,051
Share-based compensation expense		$ 59,000		$ 33,000	$ 125,000		$ 99,000
Award Terms					All of the awards vest in 20 percent annual increments commencing one year from the grant date. The options are exercisable for a period of 10 years from the date of grant, subject to vesting.								Shares awarded as restricted stock vest ratably over a five-year period beginning at the grant date with 20% vesting on the anniversary date of each grant date.
Exercise price (in dollars per share)															$ 8.94	[1]
Conversion exchange ratio								0.87423
Unrecognized compensation cost													193,000		195,000
Weighted-average vesting period													2 years 5 months 12 days		2 years 7 months 20 days
Aggregate intrinsic value													251,000
Options, Outstanding [Roll Forward]
Outstanding at the beginning of the year (in shares)															97,492	[1]
Granted (in shares)															26,417	[1]
Exercised (in shares)															0	[1]
Forfeited (in shares)															(3)	[1]
Expired (in shares)															0	[1]
Outstanding at Sept 30, 2012 (in shares)															123,906	[1]
Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Outstanding at the beginning of the year (in dollars per share)															$ 9.07	[1]
Granted (in dollars per share)															$ 8.49	[1]
Exercised (in dollars per share)															$ 0	[1]
Forfeited (in dollars per share)															$ 9.07	[1]
Expired (in dollars per share)															$ 0	[1]
Outstanding at Sept 30, 2012 (in dollars per share)															$ 8.94	[1]
Options, Additional Disclosures [Abstract]
Outstanding, Weighted-Average Remaining Contractual Term															7 years 3 months 29 days
Outstanding, Aggregate Intrinsic Value															148,688		104,317
Granted, Weighted-Average Remaining Contractual Term															9 years 5 months 1 day
Forfeited, Weighted-Average Remaining Contractual Term															7 years 3 months 29 days
Exercisable (in shares)															61,682	[1]
Exercisable, Weighted-Average Exercise Price (in dollars per share)															$ 9.07	[1]
Exercisable, Weighted Average Remaining Contractual Term															7 years 3 months 29 days
Exercisable Aggregate Intrinsic Value															66,000
Expected to vest, assuming a 0% forfeiture rate over the vesting term Aggregate Intrinsic Value															148,688
Expected to vest, assuming a 0% forfeiture rate over the vesting term (in shares)															123,906	[1]
Expected to vest, assuming a 0% forfeiture rate over the vesting term (in dollars per share)															$ 8.94	[1]
Expected to vest, Weighted-Average Remaining Contractual Term															7 years 9 months 7 days
Fair Value Assumptions [Abstract]
Annual dividend yield (in hundredths)															0.00%
Expected volatility (in hundredths)															28.97%
Risk-free interest rate (in hundredths)															1.46%
Expected term															7 years 6 months
Weighted-average grant date fair value per option granted (in dollars per share)															$ 8.49
Nonvested Restricted Stock Awards [Roll Forward]
Non-vested at January 1, 2012 (in shares)		24,747			24,747				22,706
Granted (in shares)					9,617							24,747	125,051
Exercised (in shares)					(7,566)
Forfeited (in shares)					(10)
Expired (in shares)					0
Non-vested at Sept 30, 2012 (in shares)		24,747			24,747				22,706
Nonvested Restricted Stock Awards, Weighted Average Grant Date Fair Value [Roll Forward]
Non-vested at January 1, 2012 (in dollars per share)		$ 6.45	[1]		$ 6.45	[1]			$ 6.43	[1]
Granted (in dollars per share)					$ 6.49	[1]
Exercised (in dollars per share)					$ 6.43	[1]
Forfeited (in dollars per share)					$ 0	[1]
Expired (in dollars per share)					$ 0	[1]
Non-vested at June 30, 2012 (in dollars per share)		$ 6.45	[1]		$ 6.45	[1]			$ 6.43	[1]
Nonvested Restricted Stock Awards, Additional Disclosures [Abstract]
Aggregate Intrinsic Value (in dollars per share)		$ 10.14			$ 10.14
Nonvested Expected to vest (in shares)		24,747			24,747
Nonvested Expected to vest, Weighted Average Grant Date Fair Value (in dollars per share)		$ 6.45	[1]		$ 6.45	[1]
Expected to vest, Aggregate Intrinsic Value (in dollars per share)		$ 10.14			$ 10.14
Employee Stock Ownership Plan [Abstract]
(ESOP), loan amount	2,000,000
Amount borrowed by ESOP to purchase common stock		1,100,000			1,100,000
Repayment terms	10 years
Esop Loan Interest Rate Loan to Purchase Company Stock		4.00%			4.00%
ESOP Loan Interest Rate Loan To Purchase Company Stock In Conversion		2.50%			2.50%
ESOP remaining loan balance from shares purchased		751,000			751,000
ESOP Remaining Loan Balance From Shares Purchased in Conversion		1,100,000			1,100,000
Committed to release (in shares)		19,553			19,553
Unallocated shares (in shares)		194,221			194,221
Fair value of shares held by ESOP trust		2,000,000			2,000,000
ESOP compensation expense		$ 61,000			$ 114,000

[1] As stated in Note 2, all share and per share information in this report for periods prior to the Conversion has been revised to reflect the 0.87423 Conversion exchange ratio.