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STOCK-BASED COMPENSATION | 3 Months Ended
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Mar. 31, 2019
STOCK-BASED COMPENSATION |
STOCK-BASED COMPENSATION | 8. STOCK-BASED COMPENSATION Stock Incentive Plans The Company’s Stock Incentive Plans provide for the granting of stock awards, including restricted stock, stock options and stock appreciation rights, to employees and non-employees, including directors of the Company. Restricted Stock For the quarter ended March 31, 2019, 97,430 shares of unvested restricted stock were awarded at a weighted average market value of $42.24. Of the restricted shares granted, 76,629 shares have performance-based vesting conditions. The value of the shares is amortized to compensation expense over the related service period, which is normally three years, or over the estimated performance period. Shares of unvested restricted stock are generally forfeited if a recipient leaves the Company before the vesting date. Shares that are forfeited become available for future awards. The following is a summary of restricted stock activity for the quarter ended March 31, 2019:
|  | Number of
|  | shares
Outstanding at beginning of period |  | 155,712
Awarded |  | 97,430
Vested |  | (52,872)
Forfeited |  | (1,785)
Outstanding at end of period |  | 198,485
Stock based compensation expense, net of forfeitures, of $674 and $496 was recorded for the quarters ended March 31, 2019 and 2018, respectively.

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- Definition The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -URI http://asc.fasb.org/topic&trid=2228938 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -URI http://asc.fasb.org/subtopic&trid=2208855 + Details
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