Loans Receivable and Allowance for Credit Losses - Summary of Loans (Parenthetical) (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Financing Receivable Recorded Investment Past Due [Line Items]
Loans before net deferred loan origination cost and allowance for losses on loan	$ 2,005,418	$ 1,921,572
Business Loans
Financing Receivable Recorded Investment Past Due [Line Items]
Loans before net deferred loan origination cost and allowance for losses on loan	26,664	19,779
Consumer Loans
Financing Receivable Recorded Investment Past Due [Line Items]
Loans before net deferred loan origination cost and allowance for losses on loan	6,741	8,966
Consumer Loans | PPP Loans
Financing Receivable Recorded Investment Past Due [Line Items]
Loans before net deferred loan origination cost and allowance for losses on loan	$ 5,700	$ 8,000