Equity - Share Activity (Details) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Equity, Treasury Stock [Line Items]
Treasury stock acquired (in shares)		0	3,600,000
Treasury stock acquired, value			$ 120,228,000	$ 602,000
Stock repurchase program, remaining authorized repurchase amount		$ 158,600,000
September 2018 Share Repurchase Program
Equity, Treasury Stock [Line Items]
Treasury stock acquired (in shares)	600,000
Treasury stock acquired, value	$ 28,800,000
Share repurchase program, amount authorized, value	$ 150,000,000
December 2018 Share Repurchase Program
Equity, Treasury Stock [Line Items]
Treasury stock acquired (in shares)	3,000,000
Treasury stock acquired, value	$ 91,400,000
Share repurchase program, amount authorized, value	$ 100,000,000
Stock repurchase program, remaining authorized repurchase amount		8,600,000
March 2020 Share Repurchase Program
Equity, Treasury Stock [Line Items]
Share repurchase program, amount authorized, value		150,000,000
Stock repurchase program, remaining authorized repurchase amount		$ 150,000,000