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Condensed Consolidated Statements of Redeemable Preferred Stock and Shareholders' Equity (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Statement of Stockholders' Equity [Abstract]    
Net unrealized gain (loss) from currency translation adjustments, tax benefit $ 80 $ 132
Net unrealized gain (loss) from derivative instruments, tax benefit (expense) $ (139) $ 233
Preferred stock dividends (in dollars per share) $ 0.32 $ 0.32