| Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] |
The following table shows changes in accumulated other comprehensive income (loss) by component for the three and six month periods ended June 30, 2014 and 2013: | | | | | | | | | | | | | | | | Unrealized Gains and Losses on Available-for-Sale Securities (1) | | Unrealized Gains and Losses on Pension Plan Liability (1) | | Total (1) | Three months ended June 30, 2014 | | (in thousands) | Beginning balance | | $ | (3,131 | ) | | $ | (1,912 | ) | | $ | (5,043 | ) | Other comprehensive income before reclassifications | | 8,768 |
| | — |
| | 8,768 |
| Amounts reclassified from accumulated other comprehensive loss (2) | | (189 | ) | | 24 |
| | (165 | ) | Net current-period other comprehensive income | | 8,579 |
| | 24 |
| | 8,603 |
| Ending balance | | $ | 5,448 |
| | $ | (1,888 | ) | | $ | 3,560 |
| Three months ended June 30, 2013 | | | | | | | Beginning balance | | $ | 18,185 |
| | $ | (1,466 | ) | | $ | 16,719 |
| Other comprehensive loss before reclassifications | | (25,930 | ) | | — |
| | (25,930 | ) | Amounts reclassified from accumulated other comprehensive income (2) | | (59 | ) | | 60 |
| | 1 |
| Net current-period other comprehensive income (loss) | | (25,989 | ) | | 60 |
| | (25,929 | ) | Ending balance | | $ | (7,804 | ) | | $ | (1,406 | ) | | $ | (9,210 | ) | Six months ended June 30, 2014 | | | | | | | Beginning balance | | $ | (10,108 | ) | | $ | (1,936 | ) | | $ | (12,044 | ) | Other comprehensive income before reclassifications | | 15,887 |
| | — |
| | 15,887 |
| Amounts reclassified from accumulated other comprehensive income (2) | | (331 | ) | | 48 |
| | (283 | ) | Net current-period other comprehensive income | | 15,556 |
| | 48 |
| | 15,604 |
| Ending balance | | $ | 5,448 |
| | $ | (1,888 | ) | | $ | 3,560 |
| Six months ended June 30, 2013 | | | | | | | Beginning balance | | $ | 20,918 |
| | $ | (769 | ) | | $ | 20,149 |
| Other comprehensive loss before reclassifications | | (28,423 | ) | | (756 | ) | | (29,179 | ) | Amounts reclassified from accumulated other comprehensive income (2) | | (299 | ) | | 119 |
| | (180 | ) | Net current-period other comprehensive loss | | (28,722 | ) | | (637 | ) | | (29,359 | ) | Ending balance | | $ | (7,804 | ) | | $ | (1,406 | ) | | $ | (9,210 | ) |
__________ (1) All amounts are net of tax. Amounts in parenthesis indicate debits. (2) See following table for details about these reclassifications. |
| Schedule of reclassifications from accumulated other comprehensive income [Table Text Block] |
The following table shows details regarding the reclassifications from accumulated other comprehensive income for the three month periods ended June 30, 2014 and 2013: | | | | | | | | | | | | | | | | | | | | | | Amount Reclassified from Accumulated Other Comprehensive Loss | | | | | Three Months Ended June 30, | | Six Months Ended June 30, | | Affected line Item in the Consolidated | | | 2014 | | 2013 | | 2014 | | 2013 | | Statement of Income | | | (in thousands) | | | Unrealized gains and losses on available-for-sale securities | | | | | | | | | | | Investment securities gains | | $ | 296 |
| | $ | 92 |
| | $ | 519 |
| | $ | 462 |
| | Investment securities gains, net | | | 296 |
| | 92 |
| | 519 |
| | 462 |
| | Total before tax | | | (107 | ) | | (33 | ) | | (188 | ) | | (163 | ) | | Income tax provision | | | $ | 189 |
| | $ | 59 |
| | $ | 331 |
| | $ | 299 |
| | Net of tax | | | | | | | | | | | | Amortization of pension plan liability | | | | | | | | | | | Actuarial losses | | $ | (37 | ) | | $ | (92 | ) | | $ | (74 | ) | | $ | (184 | ) | | Compensation and employee benefits | | | (37 | ) | | (92 | ) | | (74 | ) | | (184 | ) | | Total before tax | | | 13 |
| | 32 |
| | 26 |
| | 65 |
| | Income tax benefit | | | $ | (24 | ) | | $ | (60 | ) | | $ | (48 | ) | | $ | (119 | ) | | Net of tax |
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