Loans Receivable and Allowance for Credit Losses - Schedule of Recorded Investment in Residential, Consumer and Credit Card Loans Based on Payment Activity (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable	$ 4,422,644	$ 4,231,742
Loans receivable	4,468,476	4,275,178
1-4 Family Construction
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	51,207	51,171
Home equity lines of credit
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	130,700	124,892
Residential Mortgages secured by first liens
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	990,986	942,531
Residential Mortgages secured by junior liens
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	91,063	74,638
Other revolving credit plans
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	42,877	36,372
Automobile
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	25,315	21,806
Other consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	51,592	49,144
Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable	1,376,380	1,294,785
Loans receivable	1,376,380	1,294,785
Performing | 1-4 Family Construction
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable		51,171
Loans receivable	51,207	51,171
Performing | Home equity lines of credit
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable		124,417
Loans receivable	129,760	124,417
Performing | Residential Mortgages secured by first liens
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable		938,154
Loans receivable	985,647	938,154
Performing | Residential Mortgages secured by junior liens
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable		74,547
Loans receivable	90,940	74,547
Performing | Other revolving credit plans
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable		36,346
Loans receivable	42,796	36,346
Performing | Automobile
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable		21,787
Loans receivable	25,236	21,787
Performing | Other consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable		48,363
Loans receivable	50,794	48,363
Nonperforming
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable	7,360	5,769
Loans receivable	7,360	5,769
Nonperforming | 1-4 Family Construction
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable		0
Loans receivable	0	0
Nonperforming | Home equity lines of credit
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable		475
Loans receivable	940	475
Nonperforming | Residential Mortgages secured by first liens
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable		4,377
Loans receivable	5,339	4,377
Nonperforming | Residential Mortgages secured by junior liens
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable		91
Loans receivable	123	91
Nonperforming | Other revolving credit plans
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable		26
Loans receivable	81	26
Nonperforming | Automobile
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable		19
Loans receivable	79	19
Nonperforming | Other consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable		781
Loans receivable	798	781
Total
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable	1,383,740	1,300,554
Loans receivable	1,383,740	1,300,554
Total | 1-4 Family Construction
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable	51,207	51,171
Loans receivable	51,207	51,171
Total | Home equity lines of credit
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable	130,700	124,892
Loans receivable	130,700	124,892
Total | Residential Mortgages secured by first liens
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable	990,986	942,531
Loans receivable	990,986	942,531
Total | Residential Mortgages secured by junior liens
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable	91,063	74,638
Loans receivable	91,063	74,638
Total | Other revolving credit plans
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable	42,877	36,372
Loans receivable	42,877	36,372
Total | Automobile
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable	25,315	21,806
Loans receivable	25,315	21,806
Total | Other consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable	51,592	49,144
Loans receivable	$ 51,592	$ 49,144