Stockholder's Equity Parenthetical (Parentheticals) - $ / shares |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Cash Dividends Paid, per Share | $ 0.99 | $ 0.97 | $ 0.95 |
| Stock Dividends - Shares | 341,400 | 334,890 | 328,323 |
| Stock Options Exercised - Shares | 43,096 | 61,364 | 58,719 |
| Shares Issued Under Directors Stock Plan - Shares | 8,480 | 7,584 | 7,643 |
| Shares Issued Under the Employee Stock Purchase Plan - Shares | 19,036 | 19,575 | 19,679 |
| Shares Issued for Dividend Reinvestment Plans - Shares | 32,171 | 0 | 49,574 |
| Purchase of Treasury Stock - Shares | 55,368 | 95,064 | 68,361 |
| Acquisition of Subsidiary - Shares | 0 | 3,595 | 9,503 |
| Allocation of ESOP Stock - Shares | 17,645 | 17,300 | 16,969 |