Income Taxes (Tables)

3 Months Ended

Mar. 31, 2023

Income Tax Disclosure [Abstract]

Schedule of Reconciliation of Income Tax Expense Attributable to Income from Operations with Amounts Computed by Applying U.S. Federal Tax Rate to Pretax Income from Continuing Operations

	For the Three Months Ended March 31, 2023
	2023				2022
(in thousands)	Amount		%		Amount		%
Provision for income taxes at the statutory rate of 21%	$	25,786	21.0	%	$	12,290	21.0	%
Increase (reduction) in taxes resulting from:
Excess tax benefit on share-based compensation		(1,990)	(1.6)	%		(1,414)	(2.4)	%
Tax exempt interest income		(283)	(0.2)	%		(281)	(0.5)	%
Dividends received deduction		(224)	(0.2)	%		(271)	(0.5)	%
Investment tax credit		(513)	(0.4)	%		(1,182)	(2.0)	%
ESOP dividends paid deduction		(137)	(0.1)	%		(130)	(0.2)	%
Nondeductible expenses		601	0.5	%		316	0.5	%
Other items, net		740	0.5	%		1,274	2.2	%
Total tax expense	$	23,980	19.5	%	$	10,602	18.1	%