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Stock-Based Compensation (Tables)
12 Months Ended
Dec. 31, 2023
Share-Based Payment Arrangement [Abstract]  
Summary of Share-based Payment Award, Valuation Assumptions
The following table summarizes the Company's significant assumptions used in the Monte Carlo simulation models:
At Grant Date
20232022
Volatility34.00%33.89%
Risk free interest rate4.45%0.79 %-1.76%
Dividend Yield3.20%3.24%
Summary of Restricted Stock Unit Activity
The following table summarizes the Company's RSU activity during the years ended December 31, 2023, 2022, and 2021:
Unvested Time-
Based RSUs
Unvested Performance
and Market-Based RSUs
Weighted Average Grant
Date Price Per Share
Outstanding as of January 1, 2021110,382332,095$31.40
Shares granted209,539218,835$28.90
Shares vested(167,806)$30.04
Shares forfeited(13,880)(79,562)$30.73
Outstanding as of December 31, 2021138,235471,368$30.12
Shares granted127,862396,338$18.97
Shares vested(135,491)(76,520)$29.36
Unearned performance shares added back to Share Limit(61,102)$31.40
Shares forfeited(7,179)(18,033)$23.42
Outstanding as of December 31, 2022123,427712,051$23.35
Shares granted152,393445,828$18.40
Shares vested(126,885)(60,042)$29.50
Unearned performance shares added back to Share Limit(69,803)$31.40
Shares forfeited(1,343)(3,263)$19.51
Outstanding as of December 31, 2023147,5921,024,771$19.36
Summary of Common Stock Activity Under the ESPP
The following table summarizes the Company's common stock activity under the ESPP:
Year ended
December 31, 2023
Shares purchased11,728
Issuance price$20.07
Issuance proceeds$235
Summary of Company's Stock-Based Compensation Expense
The following table summarizes the Company's stock-based compensation expense:
Year ended December 31,
202320222021
Incentive Award Plan, net (a)$8,953 $6,541 $9,116 
Employee Stock Purchase Plan (b)68 — — 
Stock-based compensation expense, net$9,021 9021$6,541 $9,116 
(a)As of December 31, 2023, there was $9,975 of total estimated unrecognized compensation expense related to the Incentive Award Plan which will be recognized through December 2025.
(b)As of December 31, 2023, there was $205 of total estimated unrecognized compensation expense related to the ESPP which will be recognized through June 2025