Fair Value of Financial Instruments - Schedule of Fair Value Hierarchy and Fair Value of Assets that Were Still Held and Had Fair Value Adjustments Measured On a Nonrecurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Financing Receivable Impaired [Line Items]
Impaired loans	$ 1,793,258	$ 1,626,036
Quoted Prices in Active Markets (Level 1)
Financing Receivable Impaired [Line Items]
Impaired loans	0	0
Significant Other Observable Inputs (Level 2)
Financing Receivable Impaired [Line Items]
Impaired loans	0	0
Significant Unobservable Inputs (Level 3)
Financing Receivable Impaired [Line Items]
Impaired loans	1,793,258	1,626,036
Nonrecurring
Financing Receivable Impaired [Line Items]
Impaired loans	1,432	423
Nonrecurring | SBA—real estate
Financing Receivable Impaired [Line Items]
Impaired loans	1,432	423
Nonrecurring | Quoted Prices in Active Markets (Level 1)
Financing Receivable Impaired [Line Items]
Impaired loans	0	0
Nonrecurring | Quoted Prices in Active Markets (Level 1) | SBA—real estate
Financing Receivable Impaired [Line Items]
Impaired loans	0	0
Nonrecurring | Significant Other Observable Inputs (Level 2)
Financing Receivable Impaired [Line Items]
Impaired loans	0	0
Nonrecurring | Significant Other Observable Inputs (Level 2) | SBA—real estate
Financing Receivable Impaired [Line Items]
Impaired loans	0	0
Nonrecurring | Significant Unobservable Inputs (Level 3)
Financing Receivable Impaired [Line Items]
Impaired loans	1,432	423
Nonrecurring | Significant Unobservable Inputs (Level 3) | SBA—real estate
Financing Receivable Impaired [Line Items]
Impaired loans	$ 1,432	$ 423