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Accumulated Other Comprehensive Loss ("AOCL") (Reclassification out of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 28, 2018 | Dec. 31, 2018 | Dec. 31, 2017
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Interest on investment securities: Taxable |  | $ 5,820 | $ 5,554
Gain (loss) - other |  | 127 | 29
Salaries and employee benefits |  | (24,170) | (22,239)
Tax (expense) benefit |  | (2,764) | (6,945)
Reclassification of certain tax effects | $ 4,400 |  | 0
Net income |  | 10,667 | 5,269
Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Net income |  | (976) | 3,329
Parent Company [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Tax (expense) benefit |  | (828) | 486
Net income |  | 10,667 | 5,269
Investment securities- with OTTI [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Reclassification of certain tax effects |  |  | (481)
Investment securities- with OTTI [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Interest on investment securities: Taxable |  | 211 | 166
Tax (expense) benefit |  | (57) | (45)
Reclassification of certain tax effects |  |  | 481
Net income |  | 154 | 602
Investment securities- all other [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Gain (loss) - other |  | 113 | (49)
Tax (expense) benefit |  | (31) | 13
Reclassification of certain tax effects |  |  | 435
Net income |  | 82 | 399
Investment Securities HTM [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Reclassification of certain tax effects |  |  | (246)
Investment Securities HTM [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Interest on investment securities: Taxable |  | (296) | (346)
Tax (expense) benefit |  | 80 | 93
Reclassification of certain tax effects |  |  | 246
Net income |  | (216) | (7)
Cash Flow Hedge (OCI) [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Reclassification of certain tax effects |  |  | 101
Cash Flow Hedge (OCI) [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Reclassification of certain tax effects |  |  | (101)
Net income |  |  | (101)
Pension Plan [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Reclassification of certain tax effects |  |  | (3,170)
Pension Plan [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Tax (expense) benefit |  | 327 | 288
Reclassification of certain tax effects |  |  | 3,170
Net income |  | (882) | 2,389
Pension Plan [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] | Amortization of Unrecognized Loss [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Other expense |  | (1,200) | (1,057)
Pension Plan [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] | Amortization of Prior Service Costs [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Other expense |  | (9) | (12)
SERP [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Reclassification of certain tax effects |  |  | (152)
SERP [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Tax (expense) benefit |  | 42 | 38
Reclassification of certain tax effects |  |  | 152
Net income |  | (114) | 47
SERP [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] | Amortization of Unrecognized Loss [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Other expense |  | (159) | (146)
SERP [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] | Amortization of Prior Service Costs [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Other expense |  | $ 3 | $ 3

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