Earnings per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Earnings Per Share [Abstract]
Net income available to common stockholders:	$ 80,218	$ 90,274
Weighted average common shares outstanding - basic (in shares)	60,827	60,536
Effect of dilutive securities - stock compensation plans (in shares)	386	372
Weighted average common shares outstanding - diluted (in shares)	61,213	60,908
Earnings per share - Basic (in dollars per share)	$ 1.32	$ 1.49
Earnings per share - Diluted (in dollars per share)	$ 1.31	$ 1.48