Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2023

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The following table shows our basic and diluted EPS calculations:

	Year Ended December 31,
	2023		2022		2021
	(Dollars in thousands, except per share amounts)
Numerator
Net income	$	401,005	$	562,139	$	573,657
Less: distributed earnings allocated to participating securities	(895)		(717)		(634)
Less: undistributed earnings allocated to participating securities	(1,353)		(2,026)		(2,343)
Net income attributable to common stockholders (numerator for basic earnings per share)	398,757		559,396		570,680
Add back: undistributed earnings allocated to participating securities	1,353		2,026		2,343
Less: undistributed earnings reallocated to participating securities	(1,329)		(1,987)		(2,269)
Numerator for diluted earnings per share under two-class method	$	398,781	$	559,435	$	570,754
Denominator
Weighted-average common shares outstanding	73,505,508		71,035,558		70,174,281
Add: dilutive effect of stock options	1,347,513		1,382,340		2,302,773
Add: dilutive effect of contingently issuable equity awards	504,944		525,946		377,547
Denominator for diluted earnings per share under two-class method	75,357,965		72,943,844		72,854,601
Basic Earnings Per Common Share	$	5.42	$	7.87	$	8.13
Diluted Earnings Per Common Share	$	5.29	$	7.67	$	7.83