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, 2022	Dec. 31, 2021
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable	$ 4,231,742	$ 3,597,204
Loans receivable	4,275,178	3,634,792
1-4 Family Construction
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	51,171	37,822
Home equity lines of credit
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	124,892	104,517
Residential Mortgages secured by first liens
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	942,531	826,729
Residential Mortgages secured by junior liens
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	74,638	56,689
Other revolving credit plans
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	36,372	26,536
Automobile
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	21,806	20,862
Other consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	49,144	49,676
Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable	1,294,785	1,117,706
Loans receivable	1,294,785	1,117,706
Performing | 1-4 Family Construction
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable		37,822
Loans receivable	51,171	37,822
Performing | Home equity lines of credit
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable		103,693
Loans receivable	124,417	103,693
Performing | Residential Mortgages secured by first liens
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable		823,182
Loans receivable	938,154	823,182
Performing | Residential Mortgages secured by junior liens
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable		56,542
Loans receivable	74,547	56,542
Performing | Other revolving credit plans
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable		26,523
Loans receivable	36,346	26,523
Performing | Automobile
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable		20,826
Loans receivable	21,787	20,826
Performing | Other consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable		49,118
Loans receivable	48,363	49,118
Nonperforming
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable	5,769	5,125
Loans receivable	5,769	5,125
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		824
Loans receivable	475	824
Nonperforming | Residential Mortgages secured by first liens
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable		3,547
Loans receivable	4,377	3,547
Nonperforming | Residential Mortgages secured by junior liens
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable		147
Loans receivable	91	147
Nonperforming | Other revolving credit plans
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable		13
Loans receivable	26	13
Nonperforming | Automobile
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable		36
Loans receivable	19	36
Nonperforming | Other consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable		558
Loans receivable	781	558
Total
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable	1,300,554	1,122,831
Loans receivable	1,300,554	1,122,831
Total | 1-4 Family Construction
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable	51,171	37,822
Loans receivable	51,171	37,822
Total | Home equity lines of credit
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable	124,892	104,517
Loans receivable	124,892	104,517
Total | Residential Mortgages secured by first liens
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable	942,531	826,729
Loans receivable	942,531	826,729
Total | Residential Mortgages secured by junior liens
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable	74,638	56,689
Loans receivable	74,638	56,689
Total | Other revolving credit plans
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable	36,372	26,536
Loans receivable	36,372	26,536
Total | Automobile
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable	21,806	20,862
Loans receivable	21,806	20,862
Total | Other consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans receivable	49,144	49,676
Loans receivable	$ 49,144	$ 49,676