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Stock-Based Compensation (Tables)
 9 Months Ended
Sep. 30, 2022
Compensation Related Costs [Abstract]  
Schedule of Nonvested Share Activity [Table Text Block] The following summarizes the activity of our PSUs and RSUs awarded under our incentive plan for the nine months ended September 30, 2022:
PSUsRSUs
Number of sharesWeighted Average Grant-Date Fair ValueNumber of sharesWeighted Average Grant-Date Fair Value
Outstanding, December 31, 2021246,210 $39.50 161,300 $45.08 
Granted66,180 79.81 86,869 79.92 
Performance condition adjustment (a)64,399 52.45 — — 
Vested(58,935)34.41 (91,594)43.58 
Forfeited— — (1,236)79.83 
Outstanding, September 30, 2022317,854 $51.46 155,339 $65.17 
_______________________________ 
(a)    Represents additional PSUs granted during the nine months ended September 30, 2022, related to above-target achievement of the 2021 performance condition described above.
Stock-Based Compensation Expense Recognized [Table Text Block] Total stock-based compensation recognized from PSUs and RSUs, net of forfeitures, was as follows:
Three Months Ended
September 30		Nine Months Ended
September 30
2022202120222021
(thousands)
PSUs$1,933 $1,190 $4,934 $3,024 
RSUs1,354 991 3,756 2,660 
Total$3,287 $2,181 $8,690 $5,684