XML 40 R22.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Note 4 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2014
Note 4 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Tables) [Line Items] |
Allowance for Credit Losses on Financing Receivables [Table Text Block] |
|  | Activity in the Allowance for Loan Losses for the Three Months Ended March 31, 2014 |
|  | Real Estate Construction |  |  | Consumer Real Estate |  |  | Commercial Real Estate |  |  | Commercial Non Real Estate |  |  | Public Sector and IDA |  |  | Consumer Non Real Estate |  |  | Unallocated |  |  | Total |
Balance, December 31, 2013 |  | $ | 863 |  |  | $ | 1,697 |  |  | $ | 3,685 |  |  | $ | 989 |  |  | $ | 132 |  |  | $ | 576 |  |  | $ | 285 |  |  | $ | 8,227 |
Charge-offs |  |  | (2 | ) |  |  | (54 | ) |  |  | (52 | ) |  |  | --- |  |  |  | --- |  |  |  | (83 | ) |  |  | --- |  |  |  | (191 | )
Recoveries |  |  | --- |  |  |  | --- |  |  |  | 8 |  |  |  | 131 |  |  |  | --- |  |  |  | 19 |  |  |  | --- |  |  |  | 158 |
Provision for loan losses |  |  | (11 | ) |  |  | 171 |  |  |  | 53 |  |  |  | (259 | ) |  |  | 70 |  |  |  | 17 |  |  |  | 62 |  |  |  | 103 |
Balance, March 31, 2014 |  | $ | 850 |  |  | $ | 1,814 |  |  | $ | 3,694 |  |  | $ | 861 |  |  | $ | 202 |  |  | $ | 529 |  |  | $ | 347 |  |  | $ | 8,297 |
|  | Activity in the Allowance for Loan Losses for the Three Months Ended March 31, 2013 |
|  | Real Estate Construction |  |  | Consumer Real Estate |  |  | Commercial Real Estate |  |  | Commercial Non Real Estate |  |  | Public Sector and IDA |  |  | Consumer Non Real Estate |  |  | Unallocated |  |  | Total |
Balance, December 31, 2012 |  | $ | 1,070 |  |  | $ | 2,263 |  |  | $ | 3,442 |  |  | $ | 959 |  |  | $ | 142 |  |  | $ | 424 |  |  | $ | 49 |  |  | $ | 8,349 |
Charge-offs |  |  | (184 | ) |  |  | (53 | ) |  |  | (35 | ) |  |  | (404 | ) |  |  | --- |  |  |  | (78 | ) |  |  | --- |  |  |  | (754 | )
Recoveries |  |  | --- |  |  |  | --- |  |  |  | --- |  |  |  | 16 |  |  |  | --- |  |  |  | 9 |  |  |  | --- |  |  |  | 25 |
Provision for loan losses |  |  | 287 |  |  |  | (364 | ) |  |  | (118 | ) |  |  | 705 |  |  |  | (32 | ) |  |  | 230 |  |  |  | (37 | ) |  |  | 671 |
Balance, March 31, 2013 |  | $ | 1,173 |  |  | $ | 1,846 |  |  | $ | 3,289 |  |  | $ | 1,276 |  |  | $ | 110 |  |  | $ | 585 |  |  | $ | 12 |  |  | $ | 8,291 |
Schedule of Credit Losses Related to Financing Receivables, Current and Noncurrent [Table Text Block] |
|  | Allowance for Loan Losses as of March 31, 2014 |
|  | Real Estate Construction |  |  | Consumer Real Estate |  |  | Commercial Real Estate |  |  | Commercial Non Real Estate |  |  | Public Sector and IDA |  |  | Consumer Non Real Estate |  |  | Unallocated |  |  | Total |
Individually evaluated for impairment |  | $ | --- |  |  | $ | 9 |  |  | $ | 266 |  |  | $ | 5 |  |  | $ | --- |  |  | $ | --- |  |  | $ | --- |  |  | $ | 280 |
Collectively evaluated for impairment |  |  | 850 |  |  |  | 1,805 |  |  |  | 3,428 |  |  |  | 856 |  |  |  | 202 |  |  |  | 529 |  |  |  | 347 |  |  |  | 8,017 |
Total |  | $ | 850 |  |  | $ | 1,814 |  |  | $ | 3,694 |  |  | $ | 861 |  |  | $ | 202 |  |  | $ | 529 |  |  | $ | 347 |  |  | $ | 8,297 |
|  | Allowance for Loan Losses as of December 31, 2013 |
|  | Real Estate Construction |  |  | Consumer Real Estate |  |  | Commercial Real Estate |  |  | Commercial Non Real Estate |  |  | Public Sector and IDA |  |  | Consumer Non Real Estate |  |  | Unallocated |  |  | Total |
Individually evaluated for impairment |  | $ | --- |  |  | $ | 10 |  |  | $ | 610 |  |  | $ | 4 |  |  | $ | --- |  |  | $ | --- |  |  | $ | --- |  |  | $ | 624 |
Collectively evaluated for impairment |  |  | 863 |  |  |  | 1,687 |  |  |  | 3,075 |  |  |  | 985 |  |  |  | 132 |  |  |  | 576 |  |  |  | 285 |  |  |  | 7,603 |
Total |  | $ | 863 |  |  | $ | 1,697 |  |  | $ | 3,685 |  |  | $ | 989 |  |  | $ | 132 |  |  | $ | 576 |  |  | $ | 285 |  |  | $ | 8,227 |
|  | Loans as of March 31, 2014 |
|  | Real Estate Construction |  |  | Consumer Real Estate |  |  | Commercial Real Estate |  |  | Commercial Non Real Estate |  |  | Public Sector and IDA |  |  | Consumer Non Real Estate |  |  | Unallocated |  |  | Total |
Individually evaluated for impairment |  | $ | --- |  |  | $ | 730 |  |  | $ | 11,754 |  |  | $ | 94 |  |  | $ | --- |  |  | $ | 24 |  |  | $ | --- |  |  | $ | 12,602 |
Collectively evaluated for impairment |  |  | 42,307 |  |  |  | 145,623 |  |  |  | 296,802 |  |  |  | 31,922 |  |  |  | 33,706 |  |  |  | 26,984 |  |  |  | --- |  |  |  | 577,344 |
Total loans |  | $ | 42,307 |  |  | $ | 146,353 |  |  | $ | 308,556 |  |  | $ | 32,016 |  |  | $ | 33,706 |  |  | $ | 27,008 |  |  | $ | --- |  |  | $ | 589,946 |
|  | Loans as of December 31, 2013 |
|  | Real Estate Construction |  |  | Consumer Real Estate |  |  | Commercial Real Estate |  |  | Commercial Non Real Estate |  |  | Public Sector and IDA |  |  | Consumer Non Real Estate |  |  | Unallocated |  |  | Total |
Individually evaluated for impairment |  | $ | --- |  |  | $ | 780 |  |  | $ | 12,079 |  |  | $ | 102 |  |  | $ | --- |  |  | $ | 24 |  |  | $ | --- |  |  | $ | 12,985 |
Collectively evaluated for impairment |  |  | 45,925 |  |  |  | 144,719 |  |  |  | 299,187 |  |  |  | 31,160 |  |  |  | 34,220 |  |  |  | 28,399 |  |  |  | --- |  |  |  | 583,610 |
Total |  | $ | 45,925 |  |  | $ | 145,499 |  |  | $ | 311,266 |  |  | $ | 31,262 |  |  | $ | 34,220 |  |  | $ | 28,423 |  |  | $ | --- |  |  | $ | 596,595 |
Schedule of ratios for allowance for loan losses [Table Text Block] |
|  | Three Months Ended March 31, |  |  | Year Ended December 31, |
|  | 2014 |  |  | 2013 |  |  | 2013 |
Ratio of allowance for loan losses to the end of period loans, net of unearned income and deferred fees |  |  | 1.41 | % |  |  | 1.44 | % |  |  | 1.38 | %
Ratio of net charge-offs to average loans, net of unearned income and deferred fees(1) |  |  | 0.02 | % |  |  | 0.50 | % |  |  | 0.28 | %
Schedule of nonperforming assets [Table Text Block] |
|  | March 31, |  |  | December 31, |
|  | 2014 |  |  | 2013 |  |  | 2013 |
Nonperforming assets: |  |  |  |  |  |  |  |  |  |  |  |
Nonaccrual loans |  | $ | 5,071 |  |  | $ | 10,734 |  |  | $ | 5,732 |
Restructured loans in nonaccrual |  |  | 1,007 |  |  |  | 1,691 |  |  |  | 852 |
Total nonperforming loans |  |  | 6,078 |  |  |  | 12,425 |  |  |  | 6,584 |
Other real estate owned, net |  |  | 4,901 |  |  |  | 1,094 |  |  |  | 4,712 |
Total nonperforming assets |  | $ | 10,979 |  |  | $ | 13,519 |  |  | $ | 11,296 |
Ratio of nonperforming assets to loans, net of unearned income and deferred fees, plus other real estate owned |  |  | 1.85 | % |  |  | 2.35 | % |  |  | 1.88 | %
Ratio of allowance for loan losses to nonperforming loans(1) |  |  | 136.51 | % |  |  | 66.73 | % |  |  | 124.95 | %
Summary of past due 90 days loans or more and impaired loans [Table Text Block] |
|  | March 31, |  |  | December 31, |
|  | 2014 |  |  | 2013 |  |  | 2013 |
Loans past due 90 days or more and still accruing |  | $ | 163 |  |  | $ | 568 |  |  | $ | 190 |
Ratio of loans past due 90 days or more and still accruing to loans, net of unearned income and deferred fees |  |  | 0.03 | % |  |  | 0.10 | % |  |  | 0.03 | %
Accruing restructured loans |  | $ | 6,145 |  |  | $ | 5,732 |  |  | $ | 6,191 |
Impaired loans: |  |  |  |  |  |  |  |  |  |  |  |
Impaired loans with no valuation allowance |  | $ | 10,139 |  |  | $ | 16,263 |  |  | $ | 10,372 |
Impaired loans with a valuation allowance |  |  | 2,463 |  |  |  | 995 |  |  |  | 2,613 |
Total impaired loans |  | $ | 12,602 |  |  | $ | 17,258 |  |  | $ | 12,985 |
Valuation allowance |  |  | (280 | ) |  |  | (273 | ) |  |  | (624 | )
Impaired loans, net of allowance |  | $ | 12,322 |  |  | $ | 16,985 |  |  | $ | 12,361 |
Average recorded investment in impaired loans(1) |  | $ | 13,075 |  |  | $ | 17,935 |  |  | $ | 16,654 |
Interest income recognized on impaired loans, after designation as impaired |  | $ | 99 |  |  | $ | 10 |  |  | $ | 267 |
Amount of income recognized on a cash basis |  | $ | --- |  |  | $ | --- |  |  | $ | --- |
Impaired Financing Receivables [Table Text Block] |
|  | Impaired Loans as of March 31, 2014 |
|  | Principal Blance |  |  | (A) Total Recorded Investment(1) |  |  | Recorded Investment(1) in (A) for Which There is No Related Allowance |  |  | Recorded Investment(1) in (A) for Which There is a Related Allowance |  |  | Related Allowance |
Consumer Real Estate(2) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Residential closed-end first liens |  | $ | 399 |  |  | $ | 401 |  |  | $ | 171 |  |  | $ | 230 |  |  | $ | 3 |
Residential closed-end junior liens |  |  | 253 |  |  |  | 253 |  |  |  | --- |  |  |  | 253 |  |  |  | 6 |
Investor-owned residential real estate |  |  | 78 |  |  |  | 78 |  |  |  | --- |  |  |  | 78 |  |  |  | --- |
Commercial Real Estate(2) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Multifamily real estate |  |  | 3,271 |  |  |  | 3,268 |  |  |  | 3,268 |  |  |  | --- |  |  |  | --- |
Commercial real estate, owner-occupied |  |  | 5,346 |  |  |  | 5,354 |  |  |  | 3,543 |  |  |  | 1,811 |  |  |  | 266 |
Commercial real estate, other |  |  | 3,137 |  |  |  | 3,137 |  |  |  | 3,137 |  |  |  | --- |  |  |  | --- |
Commercial Non Real Estate(2) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and Industrial |  |  | 94 |  |  |  | 94 |  |  |  | --- |  |  |  | 94 |  |  |  | 5 |
Consumer Non Real Estate(2) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Automobile |  |  | 24 |  |  |  | 24 |  |  |  | 24 |  |  |  | --- |  |  |  | --- |
Total |  | $ | 12,602 |  |  | $ | 12,609 |  |  | $ | 10,143 |  |  | $ | 2,466 |  |  | $ | 280 |
|  | Impaired Loans as of December 31, 2013 |
|  | Principal Blance |  |  | (A) Total Recorded Investment(1) |  |  | Recorded Investment(1) in (A) for Which There is No Related Allowance |  |  | Recorded Investment(1) in (A) for Which There is a Related Allowance |  |  | Related Allowance |
Consumer Real Estate(2) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Residential closed-end first liens |  | $ | 440 |  |  | $ | 442 |  |  | $ | 232 |  |  | $ | 210 |  |  | $ | 3 |
Residential closed-end junior liens |  |  | 259 |  |  |  | 261 |  |  |  | --- |  |  |  | 261 |  |  |  | 7 |
Investor-owned residential real estate |  |  | 81 |  |  |  | 82 |  |  |  | 82 |  |  |  | --- |  |  |  | --- |
Commercial Real Estate(2) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Multifamily real estate |  |  | 3,278 |  |  |  | 3,274 |  |  |  | 3,274 |  |  |  | --- |  |  |  | --- |
Commercial real estate, owner occupied |  |  | 5,643 |  |  |  | 5,645 |  |  |  | 3,864 |  |  |  | 1,781 |  |  |  | 610 |
Commercial real estate, other |  |  | 3,158 |  |  |  | 3,158 |  |  |  | 3,158 |  |  |  | --- |  |  |  | --- |
Commercial Non Real Estate(2) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and Industrial |  |  | 102 |  |  |  | 103 |  |  |  | 1 |  |  |  | 102 |  |  |  | 4 |
Consumer Non Real Estate(2) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Automobile |  |  | 24 |  |  |  | 24 |  |  |  | 24 |  |  |  | --- |  |  |  | --- |
Total |  | $ | 12,985 |  |  | $ | 12,989 |  |  | $ | 10,635 |  |  | $ | 2,354 |  |  | $ | 624 |
Impaired Financing Receivable Average Investment and Interest Income [Table Text Block] |
|  | For the Three Months Ended |
|  | March 31, 2014 |
|  | Average Recorded Investment(1) |  |  | Interest Income Recognized |
Consumer Real Estate(2) |  |  |  |  |  |  |  |
Residential closed-end first liens |  | $ | 561 |  |  | $ | 4 |
Residential closed-end junior liens |  |  | 257 |  |  |  | 5 |
Investor-owned residential real estate |  |  | 79 |  |  |  | 1 |
Commercial Real Estate(2) |  |  |  |  |  |  |  |
Multifamily real estate |  |  | 3,386 |  |  |  | --- |
Commercial real estate, owner occupied |  |  | 5,515 |  |  |  | 44 |
Commercial real estate, other |  |  | 3,150 |  |  |  | 44 |
Commercial Non Real Estate(2) |  |  |  |  |  |  |  |
Commercial and Industrial |  |  | 101 |  |  |  | 1 |
Consumer Non Real Estate(2) |  |  |  |  |  |  |  |
Automobile |  |  | 26 |  |  |  | --- |
Total |  | $ | 13,075 |  |  | $ | 99 |
|  | For the Year Ended December 31, 2013 |
|  | Average Recorded Investment(1) |  |  | Interest Income Recognized |
Real Estate Construction(2) |  |  |  |  |  |  |  |
Construction, residential |  | $ | 40 |  |  | $ | --- |
Construction, other |  |  | 2,885 |  |  |  | --- |
Commercial Real Estate(2) |  |  |  |  |  |  |  |
Residential closed-end first liens |  |  | 364 |  |  |  | 3 |
Residential closed-end junior liens |  |  | 280 |  |  |  | 9 |
Investor-owned residential real estate |  |  | 131 |  |  |  | 6 |
Commercial Real Estate(2) |  |  |  |  |  |  |  |
Multifamily real estate |  |  | 4,172 |  |  |  | --- |
Commercial real estate, owner occupied |  |  | 5,265 |  |  |  | 136 |
Commercial real estate, other |  |  | 3,369 |  |  |  | 110 |
Commercial Non Real Estate(2) |  |  |  |  |  |  |  |
Commercial and Industrial |  |  | 117 |  |  |  | 3 |
Consumer Non Real Estate(2) |  |  |  |  |  |  |  |
Automobile |  |  | 31 |  |  |  | --- |
Total |  | $ | 16,654 |  |  | $ | 267 |
Past Due Financing Receivables [Table Text Block] |
|  | 30 – 89 Days Past Due |  |  | 90 or More Days Past Due |  |  | 90 or More Days Past Due and Still Accruing |  |  | Nonaccruals (Including Impaired Nonaccruals) |
Real Estate Construction |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Construction, residential |  | $ | 163 |  |  | $ | --- |  |  | $ | --- |  |  | $ | --- |
Construction, other |  |  | 14 |  |  |  | --- |  |  |  | --- |  |  |  | --- |
Consumer Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity lines |  |  | --- |  |  |  | --- |  |  |  | --- |  |  |  | --- |
Residential closed-end first liens |  |  | 1,025 |  |  |  | 270 |  |  |  | 148 |  |  |  | 267 |
Residential closed-end junior liens |  |  | 58 |  |  |  | --- |  |  |  | --- |  |  |  | --- |
Investor-owned residential real estate |  |  | 334 |  |  |  | --- |  |  |  | --- |  |  |  | 17 |
Commercial Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Multifamily real estate |  |  | 728 |  |  |  | 3,271 |  |  |  | --- |  |  |  | 3,271 |
Commercial real estate, owner-occupied |  |  | 128 |  |  |  | 1,477 |  |  |  | --- |  |  |  | 2,378 |
Commercial real estate, other |  |  | --- |  |  |  | --- |  |  |  | --- |  |  |  | --- |
Commercial Non Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and Industrial |  |  | 202 |  |  |  | 43 |  |  |  | --- |  |  |  | 121 |
Public Sector and IDA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Public sector and IDA |  |  | --- |  |  |  | --- |  |  |  | --- |  |  |  | --- |
Consumer Non Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit cards |  |  | 2 |  |  |  | 3 |  |  |  | 3 |  |  |  | --- |
Automobile |  |  | 78 |  |  |  | 36 |  |  |  | 12 |  |  |  | 24 |
Other consumer loans |  |  | 25 |  |  |  | --- |  |  |  | --- |  |  |  | --- |
Total |  | $ | 2,757 |  |  | $ | 5,100 |  |  | $ | 163 |  |  | $ | 6,078 |
December 31, 2013 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  | 30 – 89 Days Past Due |  |  | 90 or More Days Past Due |  |  | 90 or More Days Past Due and Still Accruing |  |  | Nonaccruals (Including Impaired Nonaccruals) |
Real Estate Construction |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Construction, residential |  | $ | 45 |  |  | $ | --- |  |  | $ | --- |  |  | $ | --- |
Construction, other |  |  | 45 |  |  |  | --- |  |  |  | --- |  |  |  | --- |
Consumer Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity lines |  |  | --- |  |  |  | --- |  |  |  | --- |  |  |  | --- |
Residential closed-end first liens |  |  | 903 |  |  |  | 252 |  |  |  | 128 |  |  |  | 308 |
Residential closed-end junior liens |  |  | 10 |  |  |  | --- |  |  |  | --- |  |  |  | --- |
Investor-owned residential real estate |  |  | 422 |  |  |  | 91 |  |  |  | --- |  |  |  | 91 |
Commercial Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Multifamily real estate |  |  | 430 |  |  |  | 3,278 |  |  |  | --- |  |  |  | 3,278 |
Commercial real estate, owner occupied |  |  | 604 |  |  |  | 2,519 |  |  |  | --- |  |  |  | 2,756 |
Commercial real estate, other |  |  | 32 |  |  |  | --- |  |  |  | --- |  |  |  | --- |
Commercial Non Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and Industrial |  |  | 196 |  |  |  | 43 |  |  |  | --- |  |  |  | 128 |
Public Sector and IDA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Public sector and IDA |  |  | --- |  |  |  | --- |  |  |  | --- |  |  |  | --- |
Consumer Non Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit cards |  |  | 3 |  |  |  | 13 |  |  |  | 13 |  |  |  | --- |
Automobile |  |  | 217 |  |  |  | 26 |  |  |  | 2 |  |  |  | 23 |
Other consumer loans |  |  | 49 |  |  |  | 46 |  |  |  | 47 |  |  |  | --- |
Total |  | $ | 2,956 |  |  | $ | 6,268 |  |  | $ | 190 |  |  | $ | 6,584 |
Financing Receivable Credit Quality Indicators [Table Text Block] |
|  | Pass |  |  | Special Mention |  |  | Classified (Excluding Impaired) |
Real Estate Construction |  |  |  |  |  |  |  |  |  |  |  |
Construction, 1-4 family residential |  | $ | 14,910 |  |  | $ | 163 |  |  | $ | --- |
Construction, other |  |  | 27,191 |  |  |  | 29 |  |  |  | 14 |
Consumer Real Estate |  |  |  |  |  |  |  |  |  |  |  |
Equity lines |  |  | 15,935 |  |  |  | --- |  |  |  | 15 |
Closed-end first liens |  |  | 80,765 |  |  |  | 658 |  |  |  | 1,343 |
Closed-end junior liens |  |  | 5,279 |  |  |  | 55 |  |  |  | 2 |
Investor-owned residential real estate |  |  | 41,089 |  |  |  | 103 |  |  |  | 379 |
Commercial Real Estate |  |  |  |  |  |  |  |  |  |  |  |
Multifamily residential real estate |  |  | 67,175 |  |  |  | --- |  |  |  | 728 |
Commercial real estate owner-occupied |  |  | 131,259 |  |  |  | 2,175 |  |  |  | 754 |
Commercial real estate, other |  |  | 90,473 |  |  |  | 1,201 |  |  |  | 3,037 |
Commercial Non Real Estate |  |  |  |  |  |  |  |  |  |  |  |
Commercial and Industrial |  |  | 30,748 |  |  |  | 881 |  |  |  | 293 |
Public Sector and IDA |  |  |  |  |  |  |  |  |  |  |  |
States and political subdivisions |  |  | 33,706 |  |  |  | --- |  |  |  | --- |
Consumer Non Real Estate |  |  |  |  |  |  |  |  |  |  |  |
Credit cards |  |  | 5,141 |  |  |  | --- |  |  |  | --- |
Automobile |  |  | 11,781 |  |  |  | 110 |  |  |  | 22 |
Other consumer |  |  | 9,911 |  |  |  | 12 |  |  |  | 7 |
Total |  | $ | 565,363 |  |  | $ | 5,387 |  |  | $ | 6,594 |
|  | Pass |  |  | Special Mention (Excluding Impaired) |  |  | Classified (Excluding Impaired) |
Real Estate Construction |  |  |  |  |  |  |  |  |  |  |  |
Construction, 1-4 family residential |  | $ | 17,702 |  |  | $ | 163 |  |  | $ | 45 |
Construction, other |  |  | 27,971 |  |  |  | 29 |  |  |  | 15 |
Consumer Real Estate |  |  |  |  |  |  |  |  |  |  |  |
Equity lines |  |  | 16,146 |  |  |  | 16 |  |  |  | --- |
Closed-end first liens |  |  | 82,767 |  |  |  | 1,007 |  |  |  | 1,275 |
Closed-end junior liens |  |  | 4,813 |  |  |  | 109 |  |  |  | 3 |
Investor-owned residential real estate |  |  | 38,071 |  |  |  | 105 |  |  |  | 407 |
Commercial Real Estate |  |  |  |  |  |  |  |  |  |  |  |
Multifamily residential real estate |  |  | 67,573 |  |  |  | --- |  |  |  | 958 |
Commercial real estate owner-occupied |  |  | 134,137 |  |  |  | 2,206 |  |  |  | 701 |
Commercial real estate, other |  |  | 89,340 |  |  |  | 1,209 |  |  |  | 3,063 |
Commercial Non Real Estate |  |  |  |  |  |  |  |  |  |  |  |
Commercial and Industrial |  |  | 29,987 |  |  |  | 878 |  |  |  | 295 |
Public Sector and IDA |  |  |  |  |  |  |  |  |  |  |  |
States and political subdivisions |  |  | 24,220 |  |  |  | --- |  |  |  | --- |
Consumer Non Real Estate |  |  |  |  |  |  |  |  |  |  |  |
Credit cards |  |  | 6,354 |  |  |  | --- |  |  |  | --- |
Automobile |  |  | 11,428 |  |  |  | 253 |  |  |  | 34 |
Other consumer |  |  | 10,253 |  |  |  | 17 |  |  |  | 60 |
Total |  | $ | 570,762 |  |  | $ | 5,992 |  |  | $ | 6,856 |
Troubled Debt Restructurings on Financing Receivables [Table Text Block] |
|  | Restructurings That Occurred During the Three Months Ended March 31, 2014 |
|  | Number of Contracts |  |  | Pre-Modification Outstanding Principal Balance |  |  | Post- Modification Outstanding Principal Balance |
Commercial Real Estate |  |  |  |  |  |  |  |  |  |  |  |
Commercial real estate, owner occupied |  |  | 1 |  |  | $ | 184 |  |  | $ | 209 |
Total |  |  | 1 |  |  | $ | 184 |  |  | $ | 209 |
|  | Restructurings That Occurred During the Three Months Ended March 31, 2013 |
|  | Number of Contracts |  |  | Pre-Modification Outstanding Principal Balance |  |  | Post-Modification Outstanding Principal Balance |
Real Estate Construction |  |  |  |  |  |  |  |  |  |  |  |
Construction, other |  |  | 1 |  |  | $ | 3,500 |  |  | $ | 3,500 |
Commercial Real Estate |  |  |  |  |  |  |  |  |  |  |  |
Commercial real estate, owner occupied |  |  | 1 |  |  |  | 154 |  |  |  | 239 |
Total |  |  | 2 |  |  | $ | 3,654 |  |  | $ | 3,739 |
Subsequent Default [Member] |
Note 4 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Tables) [Line Items] |
Troubled Debt Restructurings on Financing Receivables [Table Text Block] |
|  | Restructured Loans That Defaulted During the Three Months Ended March 31, 2013 That Were Modified Within 12 Months Prior to Default |
|  | Number of Contracts |  |  | Principal Balance |
Consumer Real Estate |  |  |  |  |  |  |  |
Residential closed-end first liens |  |  | 1 |  |  | $ | 101 |
Residential closed-end junior liens |  |  | 1 |  |  |  | 88 |
Commercial Real Estate |  |  |  |  |  |  |  |
Commercial real estate owner-occupied |  |  | 1 |  |  |  | 663 |
Commercial Non Real Estate |  |  |  |  |  |  |  |
Commercial and industrial |  |  | 1 |  |  |  | 219 |
Total |  |  | 4 |  |  | $ | 1,071 |

X
- Definition Tabular disclosure for average recorded investment and interest income recognized related to impaired financing receivables. + References No definition available. + Details
Name: | nksh_ImpairedFinancingReceivableAverageInvestmentAndInterestIncomeTableTextBlock
Namespace Prefix: | nksh_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | nksh_Note4AllowanceforLoanLossesNonperformingAssetsandImpairedLoansTablesLineItems
Namespace Prefix: | nksh_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of nonperforming assets and ratios associated with it. + References No definition available. + Details
Name: | nksh_ScheduleOfNonperformingAssetsTableTextBlock
Namespace Prefix: | nksh_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of ratios for allowance for loan losses. + References No definition available. + Details
Name: | nksh_ScheduleOfRatiosForAllowanceForLoanLossesTableTextBlock
Namespace Prefix: | nksh_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of financing receivables that are past due, impaired and non-impaired, financing receivables that are 90 days past due and still accruing, and financing receivables on nonaccrual status. + References No definition available. + Details
Name: | nksh_SummaryOfPastDue90DaysLoansOrMoreAndImpairedLoansTextBlock
Namespace Prefix: | nksh_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of financing receivables (examples of financing receivables include loans, trade accounts receivable and notes receivable) and activity in the allowance for credit losses account. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953423-111524 + Details
Name: | us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of financing receivables by credit quality indicator. The credit quality indicator is a statistic about the credit quality of financing receivables. Examples include, but not limited to, consumer credit risk scores, credit-rating-agency ratings, an entity's internal credit risk grades, loan-to-value ratios, collateral, collection experience and other internal metrics. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 29 -URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953659-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 55 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=32702940&loc=SL6953803-111525 + Details
Name: | us-gaap_FinancingReceivableCreditQualityIndicatorsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of impaired financing receivables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivablesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of financing receivables that are past due but not impaired, financing receivables that are 90 days past due and still accruing, and financing receivables on nonaccrual status. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5111-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953401-111524 + Details
Name: | us-gaap_PastDueFinancingReceivablesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the activity in the total allowance for credit losses related to financing receivables (such as loans or lease receivables) for entities that have an unclassified balance sheet, including the balance in the allowance at the beginning and end of each period, additions charged to operations, direct write-downs charged against the allowance, and recoveries of amounts previously charged off. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953423-111524 + Details
Name: | us-gaap_ScheduleOfCreditLossesRelatedToFinancingReceivablesCurrentAndNoncurrentTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of financing receivables and troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953682-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953676-111524 + Details
Name: | us-gaap_TroubledDebtRestructuringsOnFinancingReceivablesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration