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Accumulated Other Comprehensive Income (Tables) | 12 Months Ended
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Dec. 31, 2018
Accumulated Other Comprehensive Income [Abstract] |
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 years ended December 31, 2018, 2017 and 2016:
|  | Unrealized Gains and Losses on Available for Sale Securities (1) |  | Unrealized Gains and Losses on Pension Plan Liability (1) |  | Total (1)
Year Ended December 31, 2018 |  | (in thousands)
Beginning balance |  | $ | (19,779 | ) |  | $ | (2,446 | ) |  | $ | (22,225 | )
Adjustment pursuant to adoption of ASU 2016-01 |  | 157 |  |  | — |  |  | 157 |
Other comprehensive income (loss) before reclassifications |  | (13,425 | ) |  | 24 |  |  | (13,401 | )
Amounts reclassified from accumulated other comprehensive loss (2) |  | (81 | ) |  | 245 |  |  | 164 |
Net current-period other comprehensive income (loss) |  | (13,506 | ) |  | 269 |  |  | (13,237 | )
Ending balance |  | $ | (33,128 | ) |  | $ | (2,177 | ) |  | $ | (35,305 | )
Year Ended December 31, 2017 |  |  |  |  |  |
Beginning balance |  | $ | (12,704 | ) |  | $ | (6,295 | ) |  | $ | (18,999 | )
Other comprehensive income (loss) before reclassifications |  | (3,391 | ) |  | 4,017 |  |  | 626 |
Amounts reclassified from accumulated other comprehensive loss (2) |  | 7 |  |  | 223 |  |  | 230 |
Net current-period other comprehensive income (loss) |  | (3,384 | ) |  | 4,240 |  |  | 856 |
Adjustment pursuant to adoption of ASU 2018-02 |  | (3,691 | ) |  | (391 | ) |  | (4,082 | )
Ending balance |  | $ | (19,779 | ) |  | $ | (2,446 | ) |  | $ | (22,225 | )
Year Ended December 31, 2016 |  |  |  |  |  |
Beginning balance |  | $ | 386 |  |  | $ | (6,681 | ) |  | $ | (6,295 | )
Other comprehensive loss before reclassifications |  | (12,338 | ) |  | (39 | ) |  | (12,377 | )
Amounts reclassified from accumulated other comprehensive loss (2) |  | (752 | ) |  | 425 |  |  | (327 | )
Net current-period other comprehensive income (loss) |  | (13,090 | ) |  | 386 |  |  | (12,704 | )
Ending balance |  | $ | (12,704 | ) |  | $ | (6,295 | ) |  | $ | (18,999 | )
__________ (1) All amounts are net of tax. Amounts in parenthesis indicate debits. (2) See following table for details about these reclassifications.
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] | The following table shows details regarding the reclassifications from accumulated other comprehensive income for the years ended December 31, 2018, 2017 and 2016:
|  | Amount Reclassified from Accumulated Other Comprehensive Income |  | Affected line Item in the Consolidated Statement of Income
|  | Years Ended December 31, |  |
|  | 2018 |  | 2017 |  | 2016 |  |
|  | (in thousands) |  |
Unrealized gains and losses on available for sale debt securities |  | $ | 106 |  |  | $ | (11 | ) |  | $ | 1,181 |  |  | Investment securities gains (losses), net
|  | 106 |  |  | (11 | ) |  | 1,181 |  |  | Total before tax
|  | (25 | ) |  | 4 |  |  | (429 | ) |  | Income tax benefit (provision)
|  | $ | 81 |  |  | $ | (7 | ) |  | $ | 752 |  |  | Net of tax
Amortization of pension plan liability actuarial losses |  | $ | (319 | ) |  | $ | (350 | ) |  | $ | (668 | ) |  | Compensation and employee benefits
|  | (319 | ) |  | (350 | ) |  | (668 | ) |  | Total before tax
|  | 74 |  |  | 127 |  |  | 243 |  |  | Income tax benefit
|  | $ | (245 | ) |  | $ | (223 | ) |  | $ | (425 | ) |  | Net of tax

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- Definition Accumulated Other Comprehensive Income [Abstract] + References No definition available. + Details
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- Definition Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss). + References No definition available. + Details
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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669686-108580 + Details
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