Loans and Allowance for Credit Losses on Loans - Schedule of Recorded Investment in Nonaccrual Loans and Loans Past Due 90 or More Days and Still Accruing Interest by Portfolio Segment (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Financing Receivable Recorded Investment Past Due [Line Items]
Nonaccrual Loans with a Related Allowance for Credit Losses	$ 2,971	$ 2,705
Nonaccrual Loans without a Related Allowance for Credit Losses	649	3,377
Total Nonaccrual Loans	3,620	6,082
90 or More Days Past Due & Still Accruing	0	0
Total	3,620	6,082
Loans Insured or Guaranteed by non-US Government Authorities
Financing Receivable Recorded Investment Past Due [Line Items]
Total	11,100	2,000
SBA—real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Nonaccrual Loans with a Related Allowance for Credit Losses	2,381	2,302
Nonaccrual Loans without a Related Allowance for Credit Losses	649	1,136
Total Nonaccrual Loans	3,030	3,438
90 or More Days Past Due & Still Accruing	0	0
Total	3,030	3,438
SBA—non-real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Nonaccrual Loans with a Related Allowance for Credit Losses	183	154
Nonaccrual Loans without a Related Allowance for Credit Losses	0	0
Total Nonaccrual Loans	183	154
90 or More Days Past Due & Still Accruing	0	0
Total	183	154
C&I
Financing Receivable Recorded Investment Past Due [Line Items]
Nonaccrual Loans with a Related Allowance for Credit Losses	407
Nonaccrual Loans without a Related Allowance for Credit Losses	0
Total Nonaccrual Loans	407
90 or More Days Past Due & Still Accruing	0
Total	$ 407
Home mortgage
Financing Receivable Recorded Investment Past Due [Line Items]
Nonaccrual Loans with a Related Allowance for Credit Losses		249
Nonaccrual Loans without a Related Allowance for Credit Losses		2,241
Total Nonaccrual Loans		2,490
90 or More Days Past Due & Still Accruing		0
Total		$ 2,490