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	Jun. 30, 2023	Dec. 31, 2022
Financing Receivable Recorded Investment Past Due [Line Items]
Nonaccrual Loans with a Related Allowance for Credit Losses	$ 5,487
Nonaccrual Loans without a Related Allowance for Credit Losses	3,079
Total Nonaccrual Loans	8,566	$ 2,639
90 or More Days Past Due & Still Accruing	246	442
Total	8,812	3,081
Collateral dependent loans	1,716,197	1,678,292
Loans Insured or Guaranteed by non-US Government Authorities
Financing Receivable Recorded Investment Past Due [Line Items]
Total	5,400	1,000
SBA—real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Nonaccrual Loans with a Related Allowance for Credit Losses	5,056
Nonaccrual Loans without a Related Allowance for Credit Losses	423
Total Nonaccrual Loans	5,479	423
90 or More Days Past Due & Still Accruing	0	0
Total	5,479	423
Collateral dependent loans	224,476	221,340
SBA—non-real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Nonaccrual Loans with a Related Allowance for Credit Losses	182
Nonaccrual Loans without a Related Allowance for Credit Losses	351
Total Nonaccrual Loans	533	657
90 or More Days Past Due & Still Accruing	246	442
Total	779	1,099
Collateral dependent loans	14,309	13,377
C&I
Financing Receivable Recorded Investment Past Due [Line Items]
Nonaccrual Loans with a Related Allowance for Credit Losses	0
Nonaccrual Loans without a Related Allowance for Credit Losses	0
Total Nonaccrual Loans	0	279
90 or More Days Past Due & Still Accruing	0	0
Total	0	279
Collateral dependent loans	112,160	116,951
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	2,305
Total Nonaccrual Loans	2,554	1,280
90 or More Days Past Due & Still Accruing	0	0
Total	2,554	1,280
Collateral dependent loans	$ 516,226	$ 482,949