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16. Peoples Bancorp of North Carolina, Inc. (Parent Company Only) Condensed Financial Statements (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2015 | Dec. 31, 2014
Assets |  |  |  |  |  |  |  |  |  |  |  |  |
Interest-bearing time deposit |  |  |  |  |  |  |  |  |  |  |  | $ 10,569 | $ 17,885
Investment securities available for sale |  |  |  |  |  |  |  |  |  |  |  | 268,530 | 281,099
Total assets |  |  |  |  |  |  |  |  |  |  |  | 1,038,481 | 1,040,494
Liabilities and Shareholders' Equity |  |  |  |  |  |  |  |  |  |  |  |  |
Junior subordinated debentures |  |  |  |  |  |  |  |  |  |  |  | 20,619 | 20,619
Liabilities |  |  |  |  |  |  |  |  |  |  |  | 933,617 | 941,829
Shareholders' equity |  |  |  |  |  |  |  |  |  |  |  | 104,864 | 98,665
Total liabilities and shareholders' equity |  |  |  |  |  |  |  |  |  |  |  | 1,038,481 | 1,040,494
Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |
Interest and dividend income | $ 9,961 | $ 9,947 | $ 9,191 | $ 9,567 | $ 9,716 | $ 9,583 | $ 9,576 | $ 9,545 | $ 38,666 | $ 38,420 | $ 36,696 |  |
Expenses: |  |  |  |  |  |  |  |  |  |  |  |  |
Interest | 851 | 874 | 875 | 884 | 1,015 | 1,076 | 1,085 | 1,111 | 3,484 | 4,287 | 5,353 |  |
Income/(Loss) before income tax benefit and equity in undistributed earnings of subsidiaries | 2,801 | 3,435 | 3,490 | 3,007 | 1,440 | 2,917 | 3,467 | 3,501 | 12,733 | 11,325 | 8,570 |  |
Income tax benefit | 613 | 942 | 866 | 679 | (377) | 475 | 916 | 923 | 3,100 | 1,937 | 1,879 |  |
Net earnings | 2,188 | 2,493 | 2,624 | 2,328 | 1,817 | 2,442 | 2,551 | 2,578 | 9,633 | 9,388 | 6,691 |  |
Cash flows from operating activities: |  |  |  |  |  |  |  |  |  |  |  |  |
Net earnings | 2,188 | $ 2,493 | $ 2,624 | 2,328 | 1,817 | $ 2,442 | $ 2,551 | 2,578 | 9,633 | 9,388 | 6,691 |  |
Change in: |  |  |  |  |  |  |  |  |  |  |  |  |
Other assets |  |  |  |  |  |  |  |  | 165 | (778) | 1,508 |  |
Net cash provided (used by) operating activities |  |  |  |  |  |  |  |  | 13,863 | 14,441 | 24,921 |  |
Cash flows from investing activities: |  |  |  |  |  |  |  |  |  |  |  |  |
Purchases of investment securities available for sale |  |  |  |  |  |  |  |  | (19,220) | (32,851) | (98,129) |  |
Proceeds from maturities of investment securities available for sale |  |  |  |  |  |  |  |  | 5,475 | 36,148 | 63,597 |  |
Net cash used by investing activities |  |  |  |  |  |  |  |  | (30,126) | (11,898) | (19,234) |  |
Cash flows from financing activities: |  |  |  |  |  |  |  |  |  |  |  |  |
Cash dividends paid on Series A preferred stock |  |  |  |  |  |  |  |  | 0 | 0 | (734) |  |
Proceeds from exercise of stock options |  |  |  |  |  |  |  |  | 0 | 37 | 0 |  |
Net cash (used) provided by financing activities |  |  |  |  |  |  |  |  | (13,072) | (10,218) | 22,243 |  |
Net change in cash and cash equivalents |  |  |  |  |  |  |  |  | (29,335) | (7,675) | 27,930 |  |
Noncash investing and financing activities: |  |  |  |  |  |  |  |  |  |  |  |  |
Change in unrealized gain on investment securities available for sale, net |  |  |  |  |  |  |  |  | 57 | 6,625 | (6,784) |  |
Accrued redemption of Series A Preferred Stock |  |  |  |  |  |  |  |  | 0 | 0 | 12,632 |  |
Parent Company |  |  |  |  |  |  |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |  |  |  |  |  |  |
Cash | 558 |  |  | 745 | 745 |  |  | 12,879 | 745 | 745 | 12,879 | 558 | 745
Interest-bearing time deposit |  |  |  |  |  |  |  |  |  |  |  | 1,000 | 1,000
Investment in subsidiaries |  |  |  |  |  |  |  |  |  |  |  | 121,848 | 115,457
Investment in PEBK Capital Trust II |  |  |  |  |  |  |  |  |  |  |  | 619 | 619
Investment securities available for sale |  |  |  |  |  |  |  |  |  |  |  | 1,234 | 1,235
Other assets |  |  |  |  |  |  |  |  |  |  |  | 244 | 245
Total assets |  |  |  |  |  |  |  |  |  |  |  | 125,503 | 119,301
Liabilities and Shareholders' Equity |  |  |  |  |  |  |  |  |  |  |  |  |
Junior subordinated debentures |  |  |  |  |  |  |  |  |  |  |  | 20,619 | 20,619
Liabilities |  |  |  |  |  |  |  |  |  |  |  | 20 | 17
Shareholders' equity |  |  |  |  |  |  |  |  |  |  |  | 104,864 | 98,665
Total liabilities and shareholders' equity |  |  |  |  |  |  |  |  |  |  |  | $ 125,503 | $ 119,301
Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |
Interest and dividend income |  |  |  |  |  |  |  |  | 3,979 | 2,718 | 13,576 |  |
Total revenues |  |  |  |  |  |  |  |  | 3,979 | 2,718 | 13,576 |  |
Expenses: |  |  |  |  |  |  |  |  |  |  |  |  |
Interest |  |  |  |  |  |  |  |  | 403 | 389 | 398 |  |
Other operating expenses |  |  |  |  |  |  |  |  | 538 | 527 | 159 |  |
Total expenses |  |  |  |  |  |  |  |  | 941 | 916 | 557 |  |
Income/(Loss) before income tax benefit and equity in undistributed earnings of subsidiaries |  |  |  |  |  |  |  |  | 3,038 | 1,802 | 13,019 |  |
Income tax benefit |  |  |  |  |  |  |  |  | 262 | 239 | 84 |  |
Income/(Loss) before equity in undistributed earnings of subsidiaries |  |  |  |  |  |  |  |  | 3,300 | 2,041 | 13,103 |  |
Equity in undistributed earnings (loss) of subsidiaries |  |  |  |  |  |  |  |  | 6,333 | 7,347 | (6,412) |  |
Net earnings |  |  |  |  |  |  |  |  | 9,633 | 9,388 | 6,691 |  |
Cash flows from operating activities: |  |  |  |  |  |  |  |  |  |  |  |  |
Net earnings |  |  |  |  |  |  |  |  | 9,633 | 9,388 | 6,691 |  |
Adjustments to reconcile net earnings to net cash provided by operating activities: |  |  |  |  |  |  |  |  |  |  |  |  |
Equity in undistributed earnings of subsidiaries |  |  |  |  |  |  |  |  | (6,333) | (7,347) | 6,412 |  |
Change in: |  |  |  |  |  |  |  |  |  |  |  |  |
Other assets |  |  |  |  |  |  |  |  | 1 | 28 | (73) |  |
Accrued income |  |  |  |  |  |  |  |  | 0 | (5) | 0 |  |
Accrued expense |  |  |  |  |  |  |  |  | 3 | 1 | 27 |  |
Other liabilities |  |  |  |  |  |  |  |  | 0 | (108) | 108 |  |
Net cash provided (used by) operating activities |  |  |  |  |  |  |  |  | 3,304 | 1,957 | 13,165 |  |
Cash flows from investing activities: |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from maturities of investment securities available for sale |  |  |  |  |  |  |  |  | 0 | 500 | 1 |  |
Net change in interest-bearing time deposit |  |  |  |  |  |  |  |  | 0 | (1,000) | 800 |  |
Net cash used by investing activities |  |  |  |  |  |  |  |  | 0 | (500) | 801 |  |
Cash flows from financing activities: |  |  |  |  |  |  |  |  |  |  |  |  |
Cash dividends paid on Series A preferred stock |  |  |  |  |  |  |  |  | 0 | 0 | (734) |  |
Cash dividends paid on common stock |  |  |  |  |  |  |  |  | (1,574) | (1,022) | (677) |  |
Preferred stock and warrant repurchase |  |  |  |  |  |  |  |  | 0 | (12,524) | 0 |  |
Stock repurchase |  |  |  |  |  |  |  |  | (1,917) | (82) | 0 |  |
Proceeds from exercise of stock options |  |  |  |  |  |  |  |  | 0 | 37 | 0 |  |
Net cash (used) provided by financing activities |  |  |  |  |  |  |  |  | (3,491) | (13,591) | (1,411) |  |
Net change in cash and cash equivalents |  |  |  |  |  |  |  |  | (187) | (12,134) | 12,555 |  |
Cash at beginning of year |  |  |  | $ 745 |  |  |  | $ 12,879 | 745 | 12,879 | 324 |  |
Cash at end of year | $ 558 |  |  |  | $ 745 |  |  |  | 558 | 745 | 12,879 |  |
Noncash investing and financing activities: |  |  |  |  |  |  |  |  |  |  |  |  |
Change in unrealized gain on investment securities available for sale, net |  |  |  |  |  |  |  |  | 1 | 8 | 77 |  |
Accrued redemption of Series A Preferred Stock |  |  |  |  |  |  |  |  | $ 0 | $ 0 | $ 12,632 |  |

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