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Subsequent Event - Entry Into an Acquisition Agreement (Details) $ / shares in Units, $ in Thousands |  | 3 Months Ended |  |
--- | --- | --- | --- | ---
May 01, 2017 USD ($) $ / shares shares | Mar. 31, 2017 USD ($) | Apr. 28, 2017 $ / shares | Mar. 03, 2017 $ / shares
Closing stock price | $ / shares |  |  |  | $ 30.13
Asheville Savings Bank [Member] |  |  |  |
Banking location |  | 13 |  |
Assets |  | $ 803,000 |  |
Gross loan |  | 606,000 |  |
Deposits |  | $ 682,000 |  |
Subsequent Event [Member] | Asheville Savings Bank [Member] |  |  |  |
Cash and Stock transaction value | $ 175,000 |  |  |
Closing stock price | $ / shares |  |  | $ 43.12 |
Subsequent Event [Member] | Asheville Savings Bank [Member] | First Bancorp Plans [Member] |  |  |  |
Shareholders received shares per share | shares | 1.44 |  |  |
Shareholders received cash per share | $ / shares | $ 41.90 |  |  |
Percentage of total outstanding shares | 90.00% |  |  |
Maximum Number of shares exchange | 10.00% |  |  |
Maximum Number of shares exchange not be exceed | 19.90% |  |  |

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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477 + Details
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