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Share-Based Compensation - Components of Share-Based Compensation Awards (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pre-tax compensation expense	$ 1,214	$ 844	$ 2,433	$ 1,825
Income tax benefit	(265)	(227)	(522)	(783)
Total share-based compensation expense, net of income taxes	949	617	1,911	1,042
Stock and ESPP Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pre-tax compensation expense	12	25	53	36
Income tax benefit	(29)	(41)	(29)	(57)
Total share-based compensation expense, net of income taxes	(17)	(16)	24	(21)
Restricted Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pre-tax compensation expense	1,202	819	2,380	1,789
Income tax benefit	(236)	(186)	(493)	(726)
Total share-based compensation expense, net of income taxes	$ 966	$ 633	$ 1,887	$ 1,063

X

- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
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