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Stock-Based Compensation (Detail) - (Table 2) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Total	$ 6,028	$ 5,105	$ 17,636	$ 15,340
Restricted Stock [Member]
Allocated Share-based Compensation Expense	4,695	3,937	14,250	12,075
Stock Options [Member]
Allocated Share-based Compensation Expense	$ 1,333	$ 1,168	$ 3,386	$ 3,265

X

- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

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

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

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