Consolidated Balance Sheets (unaudited) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Statement of Financial Position [Abstract]
Cash and due from banks	$ 21,120	$ 14,805
Interest-bearing deposits and money market funds	1,863	1,829
Federal funds sold	11,173	21,571
Cash and cash equivalents	34,156	38,205
Securities available for sale (at fair value)	77,732	59,383
Securities held to maturity (fair value of $71,361 and $50,751, respectively)	68,730	49,294
Bank certificates of deposit	2,484	2,484
Loans held for sale	303	39
Loans receivable, net	473,249	437,557
Accrued interest receivable	2,505	2,068
Foreclosed assets	2,349	2,939
Premises and equipment, net	10,275	9,928
Mortgage servicing rights, net	1,091	1,205
Federal Home Loan Bank stock (at cost)	2,761	3,250
Cash surrender value of bank-owned life insurance	11,710	11,406
Other assets	5,218	5,109
TOTAL ASSETS	692,563	622,867
Non-interest-bearing deposits	79,201	75,298
Interest-bearing deposits	468,637	406,211
Total deposits	547,838	481,509
Federal Home Loan Bank advances	50,124	50,124
Other borrowings	19,273	19,691
Senior subordinated notes	7,000	7,000
Junior subordinated debentures	7,732	7,732
Accrued expenses and other liabilities	6,801	6,449
Total liabilities	638,768	572,505
Preferred stock - no par value: Authorized - 30,000 shares; no shares issued or outstanding
Common stock - no par value with a stated value of $1 per share: Authorized - 3,000,000 shares; Issued - 1,830,266 shares Outstanding - 1,663,472 and 1,654,639 shares, respectively	1,830	1,830
Additional paid-in capital	6,994	7,140
Retained earnings	47,924	44,215
Accumulated other comprehensive income, net of tax	1,564	1,934
Treasury stock, at cost - 166,794 and 175,627 shares, respectively	(4,517)	(4,757)
Total stockholders' equity	53,795	50,362
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 692,563	$ 622,867