Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Condensed Consolidated Balance Sheets
Accumulated amortization of intangible assets	$ 23,824	$ 23,224
Preferred stock, par value (in dollars per share)	$ 1.00	$ 1.00
Common stock, par value (in dollars per share)	$ 0.025	$ 0.025
Common stock, shares authorized (in shares)	280,000,000	280,000,000
Common stock, shares issued (in shares)	84,666,505	84,633,845
Common stock, shares outstanding (in shares)	84,666,505	84,633,845

Face amount or stated value per share of common stock.

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