Unaudited condensed consolidated balance sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Accounts receivable, allowances	$ 3,949	$ 3,255
Borrowings under credit facilities, stated value	$ 2,438,779	$ 2,407,302
Class A common stock
Common stock, par value	$ 0.01	$ 0.01
Common stock, authorized shares	500,000,000	500,000,000
Common stock, issued shares	65,865,932	65,320,124
Common stock, outstanding shares	65,865,932	65,320,124
Class B common stock
Common stock, par value	$ 0.01	$ 0.01
Common stock, authorized shares	500,000,000	500,000,000
Common stock, issued shares	11,653,693	11,439,019
Common stock, outstanding shares	11,653,693	11,439,019