| **Accumulated Other Comprehensive Income** | 3 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
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| **Equity [Abstract]**                      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| Accumulated Other Comprehensive Income     | Accumulated Other Comprehensive IncomeThe following tables present the changes in our accumulated other comprehensive income (loss), net of tax, by component for the periods indicated:(Dollars in thousands) Unrealized Gains (Losses) on Available-For-Sale Securities Interest Rate Swaps Defined Benefit Plan Items Total         Beginning balance January 1, 2016 $(5,176) $(466) $(5,097) $(10,739)Other comprehensive income (loss) before reclassifications 4,634 (551) (54) 4,029Amounts reclassified from accumulated other comprehensive income — 2 — 2Net current period other comprehensive income  (loss) 4,634 (549) (54) 4,031Ending balance March 31, 2016 $(542) $(1,015) $(5,151) $(6,708)(Dollars in thousands) Unrealized Gains (Losses) on Available-For-Sale Securities Interest Rate Swaps Defined Benefit Plan Items Total         Beginning balance January 1, 2015 $(3,017) $(324) $(4,134) $(7,475)Other comprehensive income (loss) before reclassifications 1,660 (323) — 1,337Amounts reclassified from accumulated other comprehensive income — 2 — 2Net current period other comprehensive income (loss) 1,660 (321) — 1,339Ending balance March 31, 2015 $(1,357) $(645) $(4,134) $(6,136)The following table presents the reclassifications out of our accumulated other comprehensive income (loss) for the three months ended March 31, 2016 and 2015:(Dollars in thousands)Amount Reclassified from AOCI   For Three Months Ended   March 31, 2016 March 31, 2015 Line Item in the Consolidated Statement of OperationsInterest rate swaps:     Swap ineffectiveness expense3 3 Other expenseIncome tax benefit(1) (1) Income tax expenseTotal, net of tax2 2  Total reclassifications for the period$2 $2   |

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| - Definition
The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income.
+ References
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| - References
No definition available.
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