CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
CONDENSED CONSOLIDATED BALANCE SHEETS
Allowance for credit losses	$ 474	$ 262
Accumulated amortization	$ 191,994	$ 169,329
Preferred share, par value	$ 0.01	$ 0.01
Preferred share, shares authorized	50,000,000	50,000,000
Preferred share, shares issued	0	0
Preferred share, shares outstanding	0	0
Common share, par value	$ 0.01	$ 0.01
Common share, shares authorized	600,000,000	600,000,000
Common share, shares issued	159,991,357	159,660,048
Common share, shares outstanding	159,882,362	159,658,948
Treasury stock, shares	108,995	1,100