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Share-Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2020
Share-based Payment Arrangement [Abstract]  
Schedule of Cash Proceeds and Aggregate Fair Value of Stock Options Exercised Cash proceeds from, and the intrinsic value of, stock options exercised during the years ended December 31, 2020, 2019 and 2018 were as follows (in thousands):
 
 For the year ended December 31,
 2020
2019 1
2018
Cash proceeds from options exercised$— $32 $273 
Aggregate intrinsic value of options exercised$— $4,530 $277 
____________________
1 During 2019, 2.1 million stock options were net exercised, wherein the option holders surrendered a portion of the underlying stock option awards to pay the exercise price and required minimum tax withholding.
Schedule of Stock Options Activity
A summary of the stock option activity, weighted average exercise prices, and options outstanding and exercisable as of December 31, 2020, 2019 and 2018 is as follows (in thousands, except per share amounts and years):

 For the years ended December 31,
 202020192018
 Common
Stock
Options		Weighted
Average
Exercise
Price		Common Stock OptionsWeighted Average Exercise PriceCommon
Stock
Options		Weighted
Average
Exercise
Price
Outstanding at beginning of year:5 $22.35 2,105 $13.47 2,130 $13.43 
Granted— $— — $— — $— 
Exercised— $— (2,093)$13.45 (25)$10.75 
Expired or forfeited— $— (7)$10.00 — $— 
Outstanding at end of year:5 $22.35 5 $22.35 2,105 $13.47 
Schedule of Stock Options Outstanding and Exercisable
  December 31, 2020
  Options OutstandingOptions Exercisable
Exercise Price
Total
Options
Outstanding
Weighted
Average
Remaining
Life (Years)
Weighted
Average
Exercise
Price
Number
Exercisable
Weighted
Average
Exercise
Price
22.355 1.2$22.35 5 $22.35 
Aggregate Intrinsic Value$— $—  
Schedule of Vesting Activity of Restricted Stock Units
A summary of the vesting activity of restricted stock unit awards, with the respective fair value of the awards, is as follows: (in thousands):

 For the year ended December 31,
 202020192018
Restricted stock awards vested208 172 258 
Fair value of awards vested$837 $2,495 $5,319 
Schedule of Fully-vested Common Stocks Issued to Non-employee Directors
A summary of the fully-vested common stock the Company issued to its six non-employee directors, in connection with its non-employee director compensation plan, is as follows (in thousands):

 For the year ended December 31,
 202020192018
Awards issued68 30 19 
Grant date fair value of awards issued$326 $450 $400 
Schedule of Non-vested Restricted Share Units
A summary of the Company's outstanding, non-vested restricted share units is presented below (in thousands, except per share amounts):

For the year ended December 31,
202020192018
UnitsWeighted
Average
Grant-Date
Fair Value		UnitsWeighted
Average
Grant-Date
Fair Value		UnitsWeighted
Average
Grant-Date
Fair Value
Outstanding at beginning of period:559 $16.92 443 $20.55 532 $21.05 
Granted782 $3.79 339 $14.04 211 $19.20 
Released(208)$18.71 (172)$20.38 (258)$20.48 
Forfeited(57)$9.62 (51)$17.71 (42)$20.52 
Outstanding at end of period:1,076 $7.41 559 $16.92 443 $20.55 
Schedule of Performance Shares Units Activity
A summary of the Company's PRSU activity is presented below (in thousands, except per share amounts):

 For the year ended December 31,
202020192018
 UnitsWeighted
Average
Grant-Date
Fair Value		UnitsWeighted
Average
Grant-Date
Fair Value		UnitsWeighted
Average
Grant-Date
Fair Value
Outstanding at beginning of period:260 $16.77 277 $17.80 278 $17.00 
Granted292 $3.68 190 $13.63 129 $19.46 
Performance condition adjustments, net(99)$3.82 (106)$13.77 (50)$19.48 
Released(120)$17.29 (101)$17.19 (68)$16.03 
Forfeited— $— — $— (12)$16.16 
Outstanding at end of period:333 $8.84 260 $16.77 277 $17.80