Employee Benefit Plans (Fair Value of Pension Plan Assets) (Details) - Pension Plan - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	$ 16,912	$ 14,850
Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	9,185	7,442
Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	7,494	7,169
Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	233	239
Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	1,163	923
Cash and cash equivalents | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	1,163	923
Cash and cash equivalents | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	0	0
Cash and cash equivalents | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	0	0
Accrued dividends
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	5	4
Accrued dividends | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	5	4
Accrued dividends | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	0	0
Accrued dividends | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	0	0
Global equities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	8,017	6,515
Global equities | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	8,017	6,515
Global equities | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	0	0
Global equities | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	0	0
Fixed income securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	7,494	7,169
Fixed income securities | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	0	0
Fixed income securities | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	7,494	7,169
Fixed income securities | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	0	0
Group annuity/insurance contracts
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	233	239
Group annuity/insurance contracts | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	0	0
Group annuity/insurance contracts | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	0	0
Group annuity/insurance contracts | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	$ 233	$ 239