Loans and Allowance for Credit Losses - Schedule of Allowance For Loan Losses By Loan Product And Impairment Methodology (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Mar. 31, 2026	Dec. 31, 2025	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	$ 250,726	$ 235,667	$ 218,517	$ 232,579	$ 239,220	$ 339,939
General
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	52,232		40,299
Specific
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	123,229		117,357
PCD
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	75,265		60,861
Bridge
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	96,011	82,828	80,635	40,710	31,049	170,445
Bridge \| General
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	18,311		7,921
Bridge \| Specific
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	77,700		72,714
Bridge \| PCD
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	0		0
Fixed rate
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	3,791	3,077	3,345	5,115	9,230	5,114
Fixed rate \| General
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	2,092		1,749
Fixed rate \| Specific
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	1,699		1,596
Fixed rate \| PCD
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	0		0
Construction
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	98,051	99,388	84,365	150,137	166,051	140,139
Construction \| General
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	931		587
Construction \| Specific
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	21,855		22,917
Construction \| PCD
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	75,265		60,861
SBA - 7(a)
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	41,119	38,835	38,654	33,335	30,035	22,087
SBA - 7(a) \| General
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	29,235		28,615
SBA - 7(a) \| Specific
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	11,884		10,039
SBA - 7(a) \| PCD
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	0		0
Other
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	11,754	$ 11,539	11,518	$ 3,282	$ 2,855	$ 2,154
Other \| General
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	1,663		1,427
Other \| Specific
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	10,091		10,091
Other \| PCD
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	$ 0		$ 0