11. FAIR VALUE MEASUREMENTS - Assets and liabilities measured at fair value on recurring and non-recurring basis (Details) (USD $) | 3 Months Ended | 12 Months Ended |
In Thousands, unless otherwise specified | Mar. 31, 2015 | Dec. 31, 2014 |
Recurring | | |
Impaired loans: | | |
Total gain (losses) | | |
Non Recurring | | |
Impaired loans: | | |
Total gain (losses) | 76 | 80 |
US Government Agencies and Sponsored Agencies | | |
Impaired loans: | | |
Total gain (losses) | | |
US Government Agencies and Sponsored Agencies | Fair Value | | |
Available-for-sale securities: | | |
Asset fair value disclosure recurring | 253,391 | 261,115 |
US Government Agencies and Sponsored Agencies | Level 1 | | |
Available-for-sale securities: | | |
Asset fair value disclosure recurring | | |
US Government Agencies and Sponsored Agencies | Level 2 | | |
Available-for-sale securities: | | |
Asset fair value disclosure recurring | 253,391 | 261,115 |
US Government Agencies and Sponsored Agencies | Level 3 | | |
Available-for-sale securities: | | |
Asset fair value disclosure recurring | | |
Obligations of states and political subdivisions | | |
Impaired loans: | | |
Total gain (losses) | | |
Obligations of states and political subdivisions | Fair Value | | |
Available-for-sale securities: | | |
Asset fair value disclosure recurring | 26,360 | 26,289 |
Obligations of states and political subdivisions | Level 1 | | |
Available-for-sale securities: | | |
Asset fair value disclosure recurring | | |
Obligations of states and political subdivisions | Level 2 | | |
Available-for-sale securities: | | |
Asset fair value disclosure recurring | 26,360 | 26,289 |
Obligations of states and political subdivisions | Level 3 | | |
Available-for-sale securities: | | |
Asset fair value disclosure recurring | | |
Corporate bonds | | |
Impaired loans: | | |
Total gain (losses) | | |
Corporate bonds | Fair Value | | |
Available-for-sale securities: | | |
Asset fair value disclosure recurring | 1,588 | |
Corporate bonds | Level 1 | | |
Available-for-sale securities: | | |
Asset fair value disclosure recurring | | |
Corporate bonds | Level 2 | | |
Available-for-sale securities: | | |
Asset fair value disclosure recurring | 1,588 | |
Corporate bonds | Level 3 | | |
Available-for-sale securities: | | |
Asset fair value disclosure recurring | | |
Corporate stock | | |
Impaired loans: | | |
Total gain (losses) | | |
Corporate stock | Fair Value | | |
Available-for-sale securities: | | |
Asset fair value disclosure recurring | 84 | 77 |
Corporate stock | Level 1 | | |
Available-for-sale securities: | | |
Asset fair value disclosure recurring | 35 | 28 |
Corporate stock | Level 2 | | |
Available-for-sale securities: | | |
Asset fair value disclosure recurring | 49 | 49 |
Corporate stock | Level 3 | | |
Available-for-sale securities: | | |
Asset fair value disclosure recurring | | |
Commercial | | |
Impaired loans: | | |
Total gain (losses) | | 14 |
Commercial | Fair Value | | |
Impaired loans: | | |
Assets, Fair Value Disclosure, Nonrecurring | 644 | 666 |
Commercial | Level 1 | | |
Impaired loans: | | |
Assets, Fair Value Disclosure, Nonrecurring | | |
Commercial | Level 2 | | |
Impaired loans: | | |
Assets, Fair Value Disclosure, Nonrecurring | | |
Commercial | Level 3 | | |
Impaired loans: | | |
Assets, Fair Value Disclosure, Nonrecurring | 644 | 666 |
Real estate-commercial | | |
Impaired loans: | | |
Total gain (losses) | | |
Real estate-commercial | Fair Value | | |
Impaired loans: | | |
Assets, Fair Value Disclosure, Nonrecurring | 304 | 286 |
Real estate-commercial | Level 1 | | |
Impaired loans: | | |
Assets, Fair Value Disclosure, Nonrecurring | | |
Real estate-commercial | Level 2 | | |
Impaired loans: | | |
Assets, Fair Value Disclosure, Nonrecurring | | |
Real estate-commercial | Level 3 | | |
Impaired loans: | | |
Assets, Fair Value Disclosure, Nonrecurring | 3,720 | 286 |
Other real estate owned | | |
Impaired loans: | | |
Total gain (losses) | 76 | 66 |
Other real estate owned | Fair Value | | |
Impaired loans: | | |
Assets, Fair Value Disclosure, Nonrecurring | 3,720 | 4,404 |
Other real estate owned | Level 1 | | |
Impaired loans: | | |
Assets, Fair Value Disclosure, Nonrecurring | | |
Other real estate owned | Level 2 | | |
Impaired loans: | | |
Assets, Fair Value Disclosure, Nonrecurring | | |
Other real estate owned | Level 3 | | |
Impaired loans: | | |
Assets, Fair Value Disclosure, Nonrecurring | 3,720 | 4,404 |
Corporate Debt securities | | |
Impaired loans: | | |
Total gain (losses) | | |
Corporate Debt securities | Fair Value | | |
Available-for-sale securities: | | |
Asset fair value disclosure recurring | | 1,583 |
Corporate Debt securities | Level 1 | | |
Available-for-sale securities: | | |
Asset fair value disclosure recurring | | |
Corporate Debt securities | Level 2 | | |
Available-for-sale securities: | | |
Asset fair value disclosure recurring | | 1,583 |
Corporate Debt securities | Level 3 | | |
Available-for-sale securities: | | |
Asset fair value disclosure recurring | | |
Recurring | Fair Value | | |
Available-for-sale securities: | | |
Asset fair value disclosure recurring | 281,423 | 289,064 |
Recurring | Level 1 | | |
Available-for-sale securities: | | |
Asset fair value disclosure recurring | 35 | 28 |
Recurring | Level 2 | | |
Available-for-sale securities: | | |
Asset fair value disclosure recurring | 281,388 | 289,036 |
Recurring | Level 3 | | |
Available-for-sale securities: | | |
Asset fair value disclosure recurring | | |
Non Recurring | Fair Value | | |
Impaired loans: | | |
Assets, Fair Value Disclosure, Nonrecurring | 4,668 | 5,356 |
Non Recurring | Level 1 | | |
Impaired loans: | | |
Assets, Fair Value Disclosure, Nonrecurring | | |
Non Recurring | Level 2 | | |
Impaired loans: | | |
Assets, Fair Value Disclosure, Nonrecurring | | |
Non Recurring | Level 3 | | |
Impaired loans: | | |
Assets, Fair Value Disclosure, Nonrecurring | $4,668 | $5,356 |