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Stock Options And Restricted Stock Awards (Tables)

12 Months Ended

Dec. 31, 2020

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summary of Stock Option Activity and Weighted Average Exercise Price

		For The Year Ended December 31,
		2020
		Options (Amounts in Thousands)				Weighted Average Exercise Price
Outstanding, beginning of period			648			$	37.43
Granted			—				—
Exercised			(127	)			31.07
Forfeited/Cancelled			(15	)			37.25
Outstanding, end of period			506			$	39.03

Weighted-Average Estimated Fair Value of Employee Stock Options Granted

		For the Years Ended December 31,
		2020				2019				2018
		Grants				Grants				Grants
Weighted average fair value		$	—			$	29.78			$	14.72
Risk-free discount rate			—			1.72% - 2.29%				2.32% - 2.84%
Expected life			—			4.2 - 4.4 years				4.1 - 4.2 years
Dividend yield			—				—				—
Volatility			—			43%				45%

Summary of Status of Unvested Restricted Stock Awards Outstanding

		For The Year Ended December 31,
		2020
		Restricted Stock Awards (Amounts in Thousands)				Weighted Average Grant Date Fair Value
Unvested restricted stock awards, beginning of period			149			$	51.10
Awarded			88				101.96
Vested			(77	)			45.67
Forfeited			(6	)			45.65
Unvested restricted stock awards, end of period			154			$	83.30

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Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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