Stockholders' Equity - Stock Repurchase Program (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Mar. 11, 2022	Nov. 30, 2020
Stockholders' Equity Note [Abstract]
Stock repurchase program, authorized amount	$ 202,500,000		$ 202,500,000		$ 250,000,000
Number of shares authorized to be repurchased under the Repurchase Program (in shares)						250,000,000
Shares repurchased and retired (in shares)	3,280,977	1,414,888	6,476,746	2,901,557
Average cost per share (in dollars per share)	$ 14.48	$ 16.78	$ 15.80	$ 16.57
Cost for shares repurchased	$ 47,500,000	$ 23,700,000	$ 102,100,000	$ 48,100,000
Payments for fees and commissions paid to the sales agent	$ 33,000	$ 57,000	$ 161,000	$ 116,000