Fair Value of Financial Instruments - Schedule of Information about Significant Unobservable Inputs Utilized in Company's Nonrecurring Level 3 Fair Value Measurements (Details) $ in Thousands	Mar. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Impaired loans	$ 1,839,133	$ 1,793,258
Significant Unobservable Inputs (Level 3)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Impaired loans	1,839,133	1,793,258
Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Impaired loans	2,669	1,432
Nonrecurring | Significant Unobservable Inputs (Level 3)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Impaired loans	2,669	1,432
Nonrecurring | SBA—real estate
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Impaired loans	$ 1,432	$ 1,432
Nonrecurring | SBA—real estate | Minimum | Income approach - income capitalization | Measurement Input, Cap Rate
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Measurements Inputs	0.090	0.093
Nonrecurring | SBA—real estate | Maximum | Income approach - income capitalization | Measurement Input, Cap Rate
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Measurements Inputs	0.118	0.110
Nonrecurring | SBA—real estate | Weighted Average | Income approach - income capitalization | Measurement Input, Cap Rate
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Measurements Inputs	0.104	0.099
Nonrecurring | SBA—real estate | Significant Unobservable Inputs (Level 3)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Impaired loans	$ 1,432	$ 1,432
Nonrecurring | SBA—real estate | Significant Unobservable Inputs (Level 3) | Income approach - income capitalization | Measurement Input, Cap Rate
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Impaired loans	$ 1,432	$ 1,432