Benefit Plans - Narrative (Details) - USD ($)		12 Months Ended
	May 23, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Employer's match of employees' contributions of the first 3% of eligible compensation (as a percent)		100.00%	100.00%	100.00%
Percentage of eligible compensation, matched 100% by employer		3.00%	3.00%	3.00%
Employer's match of employees' contributions of the next 2% of eligible compensation (as a percent)		50.00%	50.00%	50.00%
Percentage of eligible compensation, matched 50% by employer		2.00%	2.00%	2.00%
Contributions made		$ 4,800,000	$ 5,100,000	$ 4,900,000
Intrinsic value		1,100,000	2,400,000	2,400,000
Deferred Compensation Arrangement with Individual, by Type of Compensation, Pension and Other Postretirement Benefits | Supplemental Employee Retirement Plan
Defined Benefit Plan Disclosure [Line Items]
Amounts recorded as liability		10,300,000	10,900,000
Deferred Compensation Arrangement with Individual, by Type of Compensation, Pension and Other Postretirement Benefits | Supplemental Employee Retirement Plan | Plaza Bancorp
Defined Benefit Plan Disclosure [Line Items]
Deferred compensation liability		1,200,000	1,300,000
Executive Officer | Deferred Compensation Arrangement with Individual, by Type of Compensation, Pension and Other Postretirement Benefits | Supplemental Employee Retirement Plan
Defined Benefit Plan Disclosure [Line Items]
Amounts expensed		456,000	485,000	503,000
Amounts recorded as liability		$ 9,000,000	$ 9,600,000
Stock option
Defined Benefit Plan Disclosure [Line Items]
Number of options outstanding (in shares)		96,850	159,751
Compensation expense		$ 0	$ 0	0
Unrecognized compensation expense		0
Restricted Stock
Defined Benefit Plan Disclosure [Line Items]
Compensation expense		19,400,000	$ 18,900,000	$ 13,300,000
Unrecognized compensation expense		34,300,000
Grant date fair value		$ 23,600,000
Weighted-average period of recognition		2 years 6 months 10 days
Restricted Stock Units RSUs
Defined Benefit Plan Disclosure [Line Items]
Unrecognized compensation expense		$ 4,060,000.00
Grant date fair value		$ 3,800,000
Weighted-average period of recognition		2 years 5 months 26 days
Award requisite service period		3 years
Long Term Incentive Plan 2022
Defined Benefit Plan Disclosure [Line Items]
Number of shares authorized (in shares)	7,000,000
Maximum shares per person in a calendar year (in shares)	400,000
Award vesting period (in years)	10 years
Number of shares available for grant (in shares)		1,800,000
Long Term Incentive Plan 2022 | Non-employee Directors
Defined Benefit Plan Disclosure [Line Items]
Maximum shares per person in a calendar year (in shares)	30,000
2012 Plan
Defined Benefit Plan Disclosure [Line Items]
Number of shares authorized (in shares)	2,000,000
Number of options outstanding (in shares)		88,499
Shares reserved for future issuance (in shares)		1,828,009
2005 Long-Term Incentive Plan
Defined Benefit Plan Disclosure [Line Items]
Number of options outstanding (in shares)		3,475
Shares reserved for future issuance (in shares)		0
2015 Equity Based Compensation Plan
Defined Benefit Plan Disclosure [Line Items]
Number of options outstanding (in shares)		4,876
Shares reserved for future issuance (in shares)		0
Minimum
Defined Benefit Plan Disclosure [Line Items]
Employee contribution, as a percentage of compensation		1.00%
Minimum | 2012 Plan
Defined Benefit Plan Disclosure [Line Items]
Award vesting period (in years)	1 year
Maximum
Defined Benefit Plan Disclosure [Line Items]
Employee contribution, as a percentage of compensation		99.00%
Maximum | 2012 Plan
Defined Benefit Plan Disclosure [Line Items]
Award vesting period (in years)	5 years