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	Sep. 30, 2023	Dec. 31, 2022
Financing Receivable Impaired [Line Items]
Impaired loans	$ 1,739,499	$ 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	1,739,499	1,626,036
Fair Value, Measurements, Nonrecurring
Financing Receivable Impaired [Line Items]
Impaired loans	3,739	423
Fair Value, Measurements, Nonrecurring | Commercial Real Estate
Financing Receivable Impaired [Line Items]
Impaired loans	739
Fair Value, Measurements, Nonrecurring | SBA—real estate
Financing Receivable Impaired [Line Items]
Impaired loans	759	423
Fair Value, Measurements, Nonrecurring | Home mortgage
Financing Receivable Impaired [Line Items]
Impaired loans	2,241
Fair Value, Measurements, Nonrecurring | Quoted Prices in Active Markets (Level 1)
Financing Receivable Impaired [Line Items]
Impaired loans	0	0
Fair Value, Measurements, Nonrecurring | Quoted Prices in Active Markets (Level 1) | Commercial Real Estate
Financing Receivable Impaired [Line Items]
Impaired loans	0
Fair Value, Measurements, Nonrecurring | Quoted Prices in Active Markets (Level 1) | SBA—real estate
Financing Receivable Impaired [Line Items]
Impaired loans	0	0
Fair Value, Measurements, Nonrecurring | Quoted Prices in Active Markets (Level 1) | Home mortgage
Financing Receivable Impaired [Line Items]
Impaired loans	0
Fair Value, Measurements, Nonrecurring | Significant Other Observable Inputs (Level 2)
Financing Receivable Impaired [Line Items]
Impaired loans	0	0
Fair Value, Measurements, Nonrecurring | Significant Other Observable Inputs (Level 2) | Commercial Real Estate
Financing Receivable Impaired [Line Items]
Impaired loans	0
Fair Value, Measurements, Nonrecurring | Significant Other Observable Inputs (Level 2) | SBA—real estate
Financing Receivable Impaired [Line Items]
Impaired loans	0	0
Fair Value, Measurements, Nonrecurring | Significant Other Observable Inputs (Level 2) | Home mortgage
Financing Receivable Impaired [Line Items]
Impaired loans	0
Fair Value, Measurements, Nonrecurring | Significant Unobservable Inputs (Level 3)
Financing Receivable Impaired [Line Items]
Impaired loans	3,739	423
Fair Value, Measurements, Nonrecurring | Significant Unobservable Inputs (Level 3) | Commercial Real Estate
Financing Receivable Impaired [Line Items]
Impaired loans	739
Fair Value, Measurements, Nonrecurring | Significant Unobservable Inputs (Level 3) | SBA—real estate
Financing Receivable Impaired [Line Items]
Impaired loans	759	$ 423
Fair Value, Measurements, Nonrecurring | Significant Unobservable Inputs (Level 3) | Home mortgage
Financing Receivable Impaired [Line Items]
Impaired loans	$ 2,241