Loans and Allowance for Credit Losses - Schedule of Allowance For Loan Losses By Loan Product And Impairment Methodology (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025	Mar. 31, 2025	Dec. 31, 2024
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	$ 235,667	$ 218,517	$ 239,220	$ 339,939
General
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	34,125	40,299
Specific
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	130,409	117,357
PCD
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	71,133	60,861
Bridge
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	82,828	80,635	31,049	170,445
Bridge \| General
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	1,782	7,921
Bridge \| Specific
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	81,046	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	3,077	3,345	9,230	5,114
Fixed rate \| General
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	1,239	1,749
Fixed rate \| Specific
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	1,838	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	99,388	84,365	166,051	140,139
Construction \| General
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	982	587
Construction \| Specific
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	27,273	22,917
Construction \| PCD
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	71,133	60,861
SBA - 7(a)
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	38,835	38,654	30,035	22,087
SBA - 7(a) \| General
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	28,674	28,615
SBA - 7(a) \| Specific
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	10,161	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	11,539	11,518	$ 2,855	$ 2,154
Other \| General
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	1,448	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