Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parenthetical)

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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parenthetical) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Tax effect on fair value of interest rate swap and rate cap agreements $ 218 $ 1,944 $ (460)
Tax expense (benefit) associated with change in pension actuarial (income) loss $ 507 $ 734 $ (726)