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Stock-Based Compensation Plans
9 Months Ended
Sep. 30, 2021
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Stock-Based Compensation Plans

9. Stock-Based Compensation Plans

Total stock-based compensation expense was as follows:

 

 

 

Three Months Ended September 30,

 

 

Nine Months Ended September 30,

 

 

 

2021

 

 

2020

 

 

2021

 

 

2020

 

 

 

(In thousands)

 

Employees

 

$

6,444

 

 

$

6,133

 

 

$

19,467

 

 

$

18,044

 

Non-employee directors

 

 

310

 

 

 

318

 

 

 

845

 

 

 

875

 

Total stock-based compensation

 

$

6,754

 

 

$

6,451

 

 

$

20,312

 

 

$

18,919

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The Company records stock-based compensation expense for employees in employee compensation and benefits and for non-employee directors in general and administrative expenses in the Consolidated Statements of Operations.

During the nine months ended September 30, 2021, the Company granted to employees a total of 42,623 shares of restricted stock or restricted stock units, 17,897 options to purchase shares of common stock and performance-based shares with an expected pay-out at target of 13,255 shares of common stock. The fair value of the restricted stock and performance-based share awards was based on a weighted-average fair value per share at the grant date of $521.52 and $518.74, respectively. Based on the Black-Scholes option pricing model, the weighted-average fair value for each option granted was $137.66 per share.

As of September 30, 2021, the total unrecognized compensation cost related to all non-vested awards was $42.6 million. That cost is expected to be recognized over a weighted-average period of 1.8 years.