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EARNINGS PER SHARE (Details) (USD $) In Thousands, except Share data, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2013 | Jun. 30, 2012 | Jun. 30, 2013 | Jun. 30, 2012
Earnings Per Share by Two Class Method [Line Items] |  |  |  |
Undistributed earning allocation rate of Class B common stock in excess of Class A common stock (in hundredths) | 5.00% | 5.00% | 5.00% | 5.00%
Numerator [Abstract] |  |  |  |
Net earnings | $ 2,427 | $ 1,441 | $ 1,884 | $ 2,313
Undistributed earnings | 1,653 | 630 | 348 | 697
Undistributed earnings allocation - basic and diluted [Abstract] |  |  |  |
Undistributed earnings | 1,653 | 630 | 348 | 697
Net earnings allocation - basic and diluted [Abstract] |  |  |  |
Net earnings | 2,427 | 1,441 | 1,884 | 2,313
Class A [Member] |  |  |  |
Numerator [Abstract] |  |  |  |
Net earnings | 434 | 242 | 325 | 384
Less Dividends | 131 | 131 | 261 | 261
Undistributed earnings allocation - basic and diluted [Abstract] |  |  |  |
Undistributed earnings | 303 | 111 | 64 | 123
Net earnings allocation - basic and diluted [Abstract] |  |  |  |
Net earnings | 434 | 242 | 325 | 384
Weighted-average shares outstanding [Abstract] |  |  |  |
Common share - basic and diluted (in shares) | 2,174,912 | 2,174,912 | 2,174,912 | 2,174,912
Earnings per share: |  |  |  |
Common share - basic and diluted (in dollars per share) | $ 0.20 | $ 0.11 | $ 0.15 | $ 0.18
Class B [Member] |  |  |  |
Earnings Per Share by Two Class Method [Line Items] |  |  |  |
Dividend rate Class B common stock in excess of dividend rate of Class A common stock (in hundredths) | 5.00% | 5.00% | 5.00% | 5.00%
Numerator [Abstract] |  |  |  |
Net earnings | 1,993 | 1,199 | 1,559 | 1,929
Less Dividends | 643 | 680 | 1,275 | 1,355
Undistributed earnings allocation - basic and diluted [Abstract] |  |  |  |
Undistributed earnings | 1,350 | 519 | 284 | 574
Net earnings allocation - basic and diluted [Abstract] |  |  |  |
Net earnings | $ 1,993 | $ 1,199 | $ 1,559 | $ 1,929
Weighted-average shares outstanding [Abstract] |  |  |  |
Common share - basic and diluted (in shares) | 9,213,178 | 9,677,141 | 9,217,119 | 9,654,473
Earnings per share: |  |  |  |
Common share - basic and diluted (in dollars per share) | $ 0.22 | $ 0.12 | $ 0.17 | $ 0.20

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