Stock-Based Compensation - Narrative (Details) - USD ($) shares in Thousands	3 Months Ended
Mar. 31, 2024	Mar. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Plan vesting period (in years)	4 years
Plan exercisable period (in years)	10 years
Additional awards remaining available under plan (in shares)	2,130
Income tax benefit related to expense for share-based awards	$ 614,000	$ 634,000
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	0	0
Restricted stock units and performance stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense	$ 22,300,000
Recognition period for unrecognized compensation expense (in years)	2 years 7 months 6 days
Restricted stock units and performance stock units \| Employees \| Salaries and employee benefits expense
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	$ 2,220,000	2,360,000
Restricted stock units and performance stock units \| Directors \| Other operating expense
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	$ 183,000	$ 122,000

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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