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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Statement of Financial Position [Abstract]    
Accounts receivable, allowance $ 2,008 $ 2,073
Contract assets, allowance 520 499
Property and equipment, accumulated depreciation 356,613 351,753
Intangible assets, accumulated amortization $ 26,673 $ 25,439
Preferred stock, par value (in dollars per share) $ 0.01 $ 0.01
Preferred stock, shares authorized (in shares) 4,000,000 4,000,000
Preferred stock, shares issued (in shares) 0 0
Preferred stock, shares outstanding (in shares) 0 0
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 100,000,000 100,000,000
Common stock, shares issued (in shares) 16,699,201 16,563,767
Common stock, shares outstanding (in shares) 16,699,201 16,563,767