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CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - USD ($)
shares in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Statement of Cash Flows [Abstract]      
Net capitalized interest $ 480 $ 813 $ 1,290
Shares surrendered in exchange for exercise of stock options (in shares) 3 39 3