Loans Receivable and Allowance for Credit Losses - Financial Effects of Loan Modifications (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2023	Jun. 30, 2023
Principal Forgiveness
Loans Modified as TDRs
Loan modification amount	$ 345	$ 345
Commercial lending \| Commercial and industrial (“C&I”)
Loans Modified as TDRs
Weighted-Average Interest Rate Reduction	8.50%	8.50%
Commercial lending \| Commercial and industrial (“C&I”) \| Principal Forgiveness
Loans Modified as TDRs
Loan modification amount	$ 345	$ 345
Commercial lending \| Commercial and industrial (“C&I”) \| Term Extension
Loans Modified as TDRs
Weighted average of loans (in years)	1 year 8 months 15 days	1 year 5 months 19 days
Commercial lending \| Commercial and industrial (“C&I”) \| Payment Delay
Loans Modified as TDRs
Weighted average of loans (in years)	7 months 17 days	9 months 25 days
Commercial lending \| CRE
Loans Modified as TDRs
Weighted-Average Interest Rate Reduction	3.00%	3.00%
Commercial lending \| CRE \| Term Extension
Loans Modified as TDRs
Weighted average of loans (in years)	2 years 6 months	2 years 5 months 26 days
Consumer lending \| Principal Forgiveness \| Single-family residential
Loans Modified as TDRs
Loan modification amount	$ 0	$ 0
Consumer lending \| Term Extension \| Single-family residential
Loans Modified as TDRs
Weighted average of loans (in years)	9 years 8 months 12 days	9 years 8 months 12 days
Consumer lending \| Payment Delay \| Single-family residential
Loans Modified as TDRs
Weighted average of loans (in years)	10 months 20 days	10 months 20 days
Consumer lending \| HELOCs \| Principal Forgiveness
Loans Modified as TDRs
Loan modification amount	$ 0	$ 0
Consumer lending \| HELOCs \| Term Extension
Loans Modified as TDRs
Weighted average of loans (in years)		14 years 9 months
Consumer lending \| HELOCs \| Payment Delay
Loans Modified as TDRs
Weighted average of loans (in years)	7 months 20 days	6 months 3 days

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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