Share Based Compensation (Schedule of Share Based Compensation Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share-based compensation expense	$ 2,368	$ 2,295	$ 979
Share-based compensation expense from discontinued operations	986	414	140
Total share-based compensation expense	3,354	2,709	1,119
Total income tax benefit recognized from continuing and discontinued operations	633	667	276
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share-based compensation expense	2,171	1,896	792
Adjusted EBITDA vesting awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share-based compensation expense	197	399	178
Stock Price vesting awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share-based compensation expense	$ 0	$ 0	$ 9

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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-Publisher FASB
-Name Accounting Standards Codification
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Amount of additional cost recognized for award under share-based payment arrangement from occurrence of event accelerating recognition of cost.

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