Loans Receivable and Allowance for Credit Losses - Schedule of Financing Receivable, Modified, Payment Performance (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023	Jun. 30, 2023
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	$ 161,453		$ 100,852
Commitment to lend	12,000	$ 4,000
Current Accruing Loans
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	139,553		88,272
30 - 89 Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	4,621		7,591
90+ Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	17,279		4,989
Commercial lending
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	129,725		93,512
Commercial lending | Current Accruing Loans
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	121,896		81,523
Commercial lending | 30 - 89 Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	0		7,000
Commercial lending | 90+ Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	7,829		4,989
Commercial lending | C&I
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	74,833		60,195
Commercial lending | C&I | Current Accruing Loans
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	67,004		48,206
Commercial lending | C&I | 30 - 89 Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	0		7,000
Commercial lending | C&I | 90+ Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	7,829		4,989
Commercial lending | CRE
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	54,892		33,317
Commercial lending | CRE | Current Accruing Loans
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	54,892		33,317
Commercial lending | CRE | 30 - 89 Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	0		0
Commercial lending | CRE | 90+ Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	0		0
Consumer lending
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	31,728		7,340
Consumer lending | Current Accruing Loans
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	17,657		6,749
Consumer lending | 30 - 89 Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	4,621		591
Consumer lending | 90+ Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	9,450		0
Consumer lending | HELOCs
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	10,902		1,704
Consumer lending | HELOCs | Current Accruing Loans
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	6,396		1,704
Consumer lending | HELOCs | 30 - 89 Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	3,296		0
Consumer lending | HELOCs | 90+ Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	1,210		0
Consumer lending | Other consumer
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	3,000
Consumer lending | Other consumer | Current Accruing Loans
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	3,000
Consumer lending | Other consumer | 30 - 89 Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	0
Consumer lending | Other consumer | 90+ Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	0
Consumer lending | Single-family residential
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	17,826		5,636
Consumer lending | Single-family residential | Current Accruing Loans
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	8,261		5,045
Consumer lending | Single-family residential | 30 - 89 Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	1,325		591
Consumer lending | Single-family residential | 90+ Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	$ 8,240		$ 0