SECURITIES (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Available-for-sale Securities [Abstract]
Amortized Cost	$ 203,606,000	$ 170,696,000
Unrealized Gains	3,196,000	2,998,000
Unrealized Losses	(673,000)	(497,000)
Fair Value	206,129,000	173,197,000
Fair value of available for sale securities [Abstract]
Fair Value, Less than 12 Months	59,610,000	41,521,000
Fair Value, 12 Months or Longer	1,309,000	5,764,000
Fair Value, Total	60,919,000	47,285,000
Losses of available for sale securities [Abstract]
Losses, Less than 12 Months	(658,000)	(442,000)
Losses, 12 Months or Longer	(15,000)	(55,000)
Losses, Total	(673,000)	(497,000)
Sales of available for sale securities [Abstract]
Sales proceeds	2,847,000	0	4,376,000
Gross gains on sales	4,000	0	38,000
Gross loss on sales	0	0	(7,000)
Amortized Cost [Abstract]
Due in one year or less	25,512,000
Due after one year through five years	17,635,000
Due after five years through ten years	1,574,000
Due after ten years	30,000
Mortgage-backed agency securities	158,829,000
Equity securities	26,000
Total securities, amortized cost	203,606,000	170,696,000
Fair Value [Abstract]
Due in one year or less	25,724,000
Due after one year through five years	18,098,000
Due after five years through ten years	1,747,000
Due after ten years	33,000
Mortgage-backed agency securities	160,499,000
Equity securities	28,000
Total securities, fair value	206,129,000	173,197,000
Available-for-sale securities pledged to secure deposits	1,007,000	3,060,000
Municipal Obligations Issued By Political Subdivisions	10,000,000
Municipal Portfolio, Lenawee (Percentage)	1.50%
Municipal Portfolio, Washtenaw (Percentage)	2.00%
Municipal Portfolio, Monroe (Percentage)	1.60%
U.S. Treasury and agency securities [Member]
Available-for-sale Securities [Abstract]
Amortized Cost	27,200,000	48,999,000
Unrealized Gains	130,000	385,000
Unrealized Losses	(14,000)	(18,000)
Fair Value	27,316,000	49,366,000
Fair value of available for sale securities [Abstract]
Fair Value, Less than 12 Months	4,131,000	5,101,000
Fair Value, 12 Months or Longer	0	0
Fair Value, Total	4,131,000	5,101,000
Losses of available for sale securities [Abstract]
Losses, Less than 12 Months	(14,000)	(18,000)
Losses, 12 Months or Longer	0	0
Losses, Total	(14,000)	(18,000)
Amortized Cost [Abstract]
Total securities, amortized cost	27,200,000	48,999,000
Fair Value [Abstract]
Total securities, fair value	27,316,000	49,366,000
Mortgage backed agency securities [Member]
Available-for-sale Securities [Abstract]
Amortized Cost	158,829,000	101,855,000
Unrealized Gains	2,324,000	1,321,000
Unrealized Losses	(654,000)	(479,000)
Fair Value	160,499,000	102,697,000
Fair value of available for sale securities [Abstract]
Fair Value, Less than 12 Months	54,538,000	36,420,000
Fair Value, 12 Months or Longer	1,309,000	5,764,000
Fair Value, Total	55,847,000	42,184,000
Losses of available for sale securities [Abstract]
Losses, Less than 12 Months	(639,000)	(424,000)
Losses, 12 Months or Longer	(15,000)	(55,000)
Losses, Total	(654,000)	(479,000)
Amortized Cost [Abstract]
Total securities, amortized cost	158,829,000	101,855,000
Fair Value [Abstract]
Total securities, fair value	160,499,000	102,697,000
Obligations of states and political subdivisions [Member]
Available-for-sale Securities [Abstract]
Amortized Cost	17,551,000	19,690,000
Unrealized Gains	740,000	1,287,000
Unrealized Losses	(5,000)	0
Fair Value	18,286,000	20,977,000
Fair value of available for sale securities [Abstract]
Fair Value, Less than 12 Months	941,000
Fair Value, 12 Months or Longer	0
Fair Value, Total	941,000
Losses of available for sale securities [Abstract]
Losses, Less than 12 Months	(5,000)
Losses, 12 Months or Longer	0
Losses, Total	(5,000)
Amortized Cost [Abstract]
Total securities, amortized cost	17,551,000	19,690,000
Fair Value [Abstract]
Total securities, fair value	18,286,000	20,977,000
Corporate, asset backed and other debt securities [Member]
Available-for-sale Securities [Abstract]
Amortized Cost		126,000
Unrealized Gains		0
Unrealized Losses		0
Fair Value		126,000
Amortized Cost [Abstract]
Total securities, amortized cost		126,000
Fair Value [Abstract]
Total securities, fair value		126,000
Equity securities [Member]
Available-for-sale Securities [Abstract]
Amortized Cost	26,000	26,000
Unrealized Gains	2,000	5,000
Unrealized Losses	0	0
Fair Value	28,000	31,000
Amortized Cost [Abstract]
Total securities, amortized cost	26,000	26,000
Fair Value [Abstract]
Total securities, fair value	$ 28,000	$ 31,000