Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Basic and Diluted Earnings Per Share
Net income available to common stockholders, basic	$ 52,445	$ 79,338	$ 168,611	$ 223,525
Net income available to common stockholders, diluted	$ 52,445	$ 79,338	$ 168,611	$ 223,525
Average outstanding shares - basic (in shares)	110,877,534	110,766,502	110,857,788	110,752,231
Add: dilutive restricted stock units and stock options (in shares)	9,425	67,092	24,930	59,036
Average outstanding shares - diluted (in shares)	110,886,959	110,833,594	110,882,718	110,811,267
Basic earnings per share (in dollars per share)	$ 0.47	$ 0.72	$ 1.52	$ 2.02
Diluted earnings per share (in dollars per share)	$ 0.47	$ 0.72	$ 1.52	$ 2.02
Restricted stock units and stock options excluded from the diluted average outstanding share calculation (in shares)	247,104	3,008	222,710	6,323