Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Statement Of Financial Position [Abstract]
Accounts receivable, allowance for credit loss	$ 5,677	$ 6,686
Property and equipment, accumulated depreciation	$ 553,048	$ 541,677
Preferred stock, shares issued	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares issued	167,477	167,210
Common stock, shares outstanding	167,477	167,210