Earnings Per Common Share and Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2022

Earnings Per Share [Abstract]

Schedule of Earnings Per Common Share, Basic and Diluted

The following table sets forth the computation of earnings per common share and earnings per common share - assuming dilution:

	Year Ended December 31,
	2022		2021		2020
	(Dollars in thousands, except per share data)
Numerator:
Net income available to common stockholders - numerator for earnings per common share	$	1,876,544	$	509,348	$	637,945
Denominator:
Weighted average common shares outstanding	90,558,121		93,860,378		92,055,035
Effect of dilutive securities:
Stock options and deferred compensation agreements	523,248		271,422		93,014
Restricted stock and restricted stock units	456,759		359,359		244,447
Denominator for earnings per common share - assuming dilution	91,538,128		94,491,159		92,392,496
Earnings per common share	$	20.72	$	5.43	$	6.93
Earnings per common share - assuming dilution	$	20.50	$	5.39	$	6.90