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Equity-Based Compensation Plans (Tables)
12 Months Ended
Dec. 31, 2021
Share Based Compensation [Abstract]  
Details of Equity-Based Compensation Expense and Related Income Tax Benefit

The following table details our compensation expense and the related income tax benefit for the years ended December 31:

 

(in thousands)

 

2021

 

 

2020

 

 

2019

 

Employee equity-based compensation expense:

 

 

 

 

 

 

 

 

 

Performance stock awards

 

$

5,381

 

 

$

5,083

 

 

$

4,605

 

Restricted stock units

 

 

3,041

 

 

 

2,904

 

 

 

2,595

 

Deferred compensation stock equivalent units expense

 

 

185

 

 

 

76

 

 

 

72

 

Total equity-based compensation expense

 

$

8,607

 

 

$

8,063

 

 

$

7,272

 

 

 

 

 

 

 

 

 

 

 

Total tax benefit recognized for shared-based payment awards

 

$

428

 

 

$

357

 

 

$

314

 

Fair Value of Performance Share Awards

The following table presents the key inputs used in calculating the fair value of the PSAs and the resulting fair values:

 

 

 

Year Ended December 31,

 

 

 

2021

 

 

2020

 

 

2019

 

Stock price as of valuation date

 

$

53.53

 

 

$

42.16

 

 

$

35.01

 

Risk-free rate

 

 

0.18

%

 

 

1.42

%

 

 

2.47

%

Expected volatility

 

 

45.56

%

 

 

25.74

%

 

 

25.15

%

Expected dividend yield1

 

 

 

 

 

 

 

 

 

Expected term (years)

 

 

3.00

 

 

 

3.00

 

 

 

3.00

 

Fair value of a performance share

 

$

69.72

 

 

$

45.04

 

 

$

37.87

 

 

1

Full dividend reinvestment assumed.

Summary of Outstanding Performance Share Awards he following table summarizes outstanding PSAs as of December 31 and the changes during each year:

 

 

 

2021

 

 

2020

 

 

2019

 

(in thousands, except per share amounts)

 

Shares

 

 

Weighted
Average
Grant Date
Fair Value

 

 

Shares

 

 

Weighted
Average
Grant Date
Fair Value

 

 

Shares

 

 

Weighted
Average
Grant Date
Fair Value

 

Nonvested shares outstanding at January 1

 

 

253,266

 

 

$

41.36

 

 

 

196,007

 

 

$

50.15

 

 

 

142,238

 

 

$

63.91

 

Granted

 

 

88,128

 

 

$

69.72

 

 

 

125,001

 

 

$

45.04

 

 

 

142,066

 

 

$

37.87

 

Vested

 

 

(129,666

)

 

$

37.87

 

 

 

(63,456

)

 

$

75.37

 

 

 

(75,048

)

 

$

53.85

 

Forfeited

 

 

(9,281

)

 

$

58.32

 

 

 

(4,286

)

 

$

47.07

 

 

 

(13,249

)

 

$

45.35

 

Nonvested shares outstanding at December 31

 

 

202,447

 

 

$

55.16

 

 

 

253,266

 

 

$

41.36

 

 

 

196,007

 

 

$

50.15

 

Total grant date fair value of PSA awards
   vested during the year

 

$

4,910

 

 

 

 

 

$

4,783

 

 

 

 

 

$

4,041

 

 

 

 

Total fair value of PSA awards
   vested during the year

 

$

12,015

 

 

 

 

 

$

3,968

 

 

 

 

 

$

3,561

 

 

 

 

Summary of Outstanding RSU Awards

The following table summarizes outstanding RSU awards as of December 31 and the changes during each year:

 

 

 

2021

 

 

2020

 

 

2019

 

(in thousands, except per share amounts)

 

Shares

 

 

Weighted
Average
Grant Date
Fair Value

 

 

Shares

 

 

Weighted
Average
Grant Date
Fair Value

 

 

Shares

 

 

Weighted
Average
Grant Date
Fair Value

 

Nonvested shares outstanding at January 1

 

 

139,492

 

 

$

37.54

 

 

 

127,471

 

 

$

39.83

 

 

 

72,020

 

 

$

47.66

 

Granted

 

 

66,107

 

 

$

54.52

 

 

 

68,263

 

 

$

38.77

 

 

 

104,488

 

 

$

36.80

 

Vested

 

 

(68,606

)

 

$

34.50

 

 

 

(52,908

)

 

$

44.48

 

 

 

(43,102

)

 

$

45.51

 

Forfeited

 

 

(4,094

)

 

$

49.35

 

 

 

(3,334

)

 

$

40.20

 

 

 

(5,935

)

 

$

40.26

 

Nonvested shares outstanding at December 31

 

 

132,899

 

 

$

47.19

 

 

 

139,492

 

 

$

37.54

 

 

 

127,471

 

 

$

39.83

 

Total grant date fair value of RSU awards
   vested during the year

 

$

2,367

 

 

 

 

 

$

2,354

 

 

 

 

 

$

1,961

 

 

 

 

Total fair value of RSU awards
   vested during the year

 

$

4,130

 

 

 

 

 

$

2,196

 

 

 

 

 

$

1,771