Employee Benefit Plans (Schedule of Net Funded Status) (Details) - USD ($)
$ in Thousands |
12 Months Ended |
Dec. 31, 2019 |
Dec. 31, 2018 |
| Defined Benefit Plan Disclosure [Line Items] |
|
|
| Defined Benefit Plan, Fair Value of Plan Assets, Beginning Balance |
$ 43,056
|
|
| Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance |
50,829
|
$ 43,056
|
| Pension [Member] |
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
| Defined Benefit Plan, Benefit Obligation, Beginning Balance |
42,022
|
44,975
|
| Defined Benefit Plan, Service Cost |
265
|
324
|
| Defined Benefit Plan, Interest Cost |
1,748
|
1,586
|
| Defined Benefit Plan, Other Changes |
7,981
|
|
| Actuarial losses/(gains) |
979
|
(3,049)
|
| Defined Benefit Plan, Benefits Paid |
(2,000)
|
(1,814)
|
| Defined Benefit Plan, Benefit Obligation, Ending Balance |
50,995
|
42,022
|
| Defined Benefit Plan, Fair Value of Plan Assets, Beginning Balance |
43,056
|
47,216
|
| Defined Benefit Plan, Actual Return on Plan Assets |
7,773
|
(2,346)
|
| Defined Benefit Plan, Contributions by Employer |
2,000
|
|
| Defined Benefit Plan, Benefits Paid |
(2,000)
|
(1,814)
|
| Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance |
50,829
|
43,056
|
| Defined Benefit Plan, Unfunded Status of Plan |
(166)
|
1,034
|
| SERP [Member] |
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
| Defined Benefit Plan, Benefit Obligation, Beginning Balance |
7,544
|
7,613
|
| Defined Benefit Plan, Service Cost |
120
|
112
|
| Defined Benefit Plan, Interest Cost |
272
|
321
|
| Defined Benefit Plan, Other Changes |
|
|
| Actuarial losses/(gains) |
994
|
(276)
|
| Defined Benefit Plan, Benefits Paid |
(283)
|
(226)
|
| Defined Benefit Plan, Benefit Obligation, Ending Balance |
8,647
|
7,544
|
| Defined Benefit Plan, Fair Value of Plan Assets, Beginning Balance |
|
|
| Defined Benefit Plan, Actual Return on Plan Assets |
|
|
| Defined Benefit Plan, Contributions by Employer |
283
|
226
|
| Defined Benefit Plan, Benefits Paid |
(283)
|
(226)
|
| Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance |
|
|
| Defined Benefit Plan, Unfunded Status of Plan |
$ (8,647)
|
$ (7,544)
|