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Acquisition of Delaware Bancshares, Inc. (Schedule of Business Acquisitions, by Acquisition) (Details) - USD ($) | Jul. 31, 2016 | Mar. 31, 2017 | Dec. 31, 2016
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Business Acquisition [Line Items] |  |  |
Acquiree shares settled for stock | 694,114,000 |  |
Exchange Ratio | $ 0.6221 |  |
Business Acquisition, shares exchanged | 431,605,000 |  |
Value assigned to acquirer common share, per share | $ 28.15 |  |
Purchase price assigned to Delaware Bancshares, Inc. common shares exchanged for Norwood Financial Corp. | $ 12,150,000 |  |
Acquiree shares settled for cash | 231,385,000 |  |
Business Acquisition, Share Price | $ 16.68 |  |
Purchase price assigned to acquiree shares | $ 3,860,000 |  |
Cash in lieu of fractional shares | 6,000 |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest | 19,357,000 | $ 112,952,000 | $ 111,079,000
Goodwill and intangible assets | (7,640,000) |  |
Tangible equity | 11,717,000 |  |
Adjustments to investments acquired to fair value | 219,000 |  |
Adjustments to interest rates on loans acquired to fair value | 1,486,000 |  |
Adjustments to general credit on loans acquired to fair value | (1,614,000) |  |
Adjustments to specific credit - non-amortizing on loans acquired to fair value | (260,000) |  |
Adjustments to specific credit - amortizing on loans acquired to fair value | (239,000) |  |
Adjustments to core deposit intangibles acquired to fair value | 449,000 |  |
Adjustments to deferred loan fees acquired to fair value | (296,000) |  |
Adjustments to premises and equipment acquired to fair value | 3,053,000 |  |
Adjustments to allowance for loan and lease losses acquired to fair value | 1,651,000 |  |
Adjustments to deferred tax assets acquired to fair value | (1,417,000) |  |
Adjustments to other assets acquired to fair value | (97,000) |  |
Adjustments to time deposits acquired to fair value | (252,000) |  |
Total purchase price | 16,016,000 |  |
Net Assets Acquired: Cash | 14,977,000 |  |
Net Assets Acquired: Securities available for sale | 208,488,000 |  |
Net Assets Acquired: Loans | 116,674,000 |  |
Net Assets Acquired: Premises & equipment, net | 7,292,000 |  |
Net assets acquired: Regulatory stock | 279,000 |  |
Net Assets Acquired: Accrued interest receivable | 1,626,000 |  |
Net assets acquired: Bank-owned life insurance | 14,762,000 |  |
Net Assets Acquired: Core deposit intangible | 449,000 |  |
Net Assets Acquired: Deferred tax assets | 3,034,000 |  |
Net Assets Acquired: Other assets | 3,282,000 |  |
Net Assets Acquired: Time deposits | (71,342,000) |  |
Net Assets Acquired: Deposits other than time deposits | (255,921,000) |  |
Net Assets Acquired: Borrowings | (21,232,000) |  |
Net Assets Acquired: Accrued interest payable | (95,000) |  |
Net Assets Acquired: Other liabilities | (7,873,000) |  |
Net Assets Acquired | 14,400,000 |  |
Goodwill resulting from Delaware Bancshares, Inc. Merger | $ 1,616,000 | 11,331,000 | $ 11,331,000
Delaware Bancshares, Inc. Acquisition [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Acquisition, shares exchanged | 0.6221 |  |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares | 431,605 |  |
Business Acquisition, Share Price | $ 16.68 |  |
Goodwill resulting from Delaware Bancshares, Inc. Merger |  | $ 1,616,000 |

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