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Recurring and Nonrecurring basis (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Debt Securities, Trading |  | $ 3,720 | $ 2,838
Equity Securities, FV-NI |  | 23,173 | 22,107
Debt Securities, Available-for-sale |  | 1,571,148 | 412,860
US Government Agencies Debt Securities [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 215,482 | 24,116
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 363,933 | 233,629
Pooled Trust Preferred Securities Issued By Banks And Insurers [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 1,000 | 1,056
Small Business Administration Pooled Securities [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 48,914 | 61,081
US Treasury Securities [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 861,448 | 0
Fair Value, Recurring [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Debt Securities, Trading |  | 3,720 | 2,838
Assets and liabilities measured at fair value on a recurring basis |  |  |
Assets and Liabilities Fair Value Disclosure Recurring |  | 1,644,617 | 549,244
Fair Value, Recurring [Member] | Equity Securities [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Equity Securities, FV-NI |  | 23,173 | 22,107
Fair Value, Recurring [Member] | US Government Agencies Debt Securities [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 215,482 | 24,116
Fair Value, Recurring [Member] | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 363,933 | 233,629
Fair Value, Recurring [Member] | Collateralized Mortgage Obligations [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 79,677 | 91,683
Fair Value, Recurring [Member] | Municipal Bonds [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 203 | 807
Fair Value, Recurring [Member] | Single Issuer Trust Preferred Securities Issued By Banks [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 491 | 488
Fair Value, Recurring [Member] | Pooled Trust Preferred Securities Issued By Banks And Insurers [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 1,000 | 1,056
Fair Value, Recurring [Member] | Small Business Administration Pooled Securities [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 48,914 | 61,081
Fair Value, Recurring [Member] | Disposal Group, Held-for-sale, Not Discontinued Operations [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Loans Held-for-sale, Fair Value Disclosure |  | 24,679 | 58,104
Fair Value, Recurring [Member] | Derivative Financial Instruments, Assets [Member] |  |  |
Assets and liabilities measured at fair value on a recurring basis |  |  |
Total |  | 97,912 | 187,399
Fair Value, Recurring [Member] | Derivative Financial Instruments, Liabilities [Member] |  |  |
Assets and liabilities measured at fair value on a recurring basis |  |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure |  | 76,015 | 134,064
Fair Value, Recurring [Member] | US Treasury Securities [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 861,448 |
Fair Value, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Debt Securities, Trading |  | 3,720 | 2,838
Assets and liabilities measured at fair value on a recurring basis |  |  |
Assets and Liabilities Fair Value Disclosure Recurring |  | 26,893 | 24,945
Fair Value, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Equity Securities [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Equity Securities, FV-NI |  | 23,173 | 22,107
Fair Value, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Municipal Bonds [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Debt Securities, Available-for-sale |  |  | 0
Fair Value, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Small Business Administration Pooled Securities [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 0 | 0
Fair Value, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |  |
Assets and liabilities measured at fair value on a recurring basis |  |  |
Assets and Liabilities Fair Value Disclosure Recurring |  | 1,617,724 | 524,299
Fair Value, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Equity Securities [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Equity Securities, FV-NI |  | 0 | 0
Fair Value, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | US Government Agencies Debt Securities [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 215,482 | 24,116
Fair Value, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 363,933 | 233,629
Fair Value, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Collateralized Mortgage Obligations [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 79,677 | 91,683
Fair Value, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Municipal Bonds [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 203 | 807
Fair Value, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Single Issuer Trust Preferred Securities Issued By Banks [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 491 | 488
Fair Value, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Pooled Trust Preferred Securities Issued By Banks And Insurers [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 1,000 | 1,056
Fair Value, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Small Business Administration Pooled Securities [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 48,914 | 61,081
Fair Value, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Disposal Group, Held-for-sale, Not Discontinued Operations [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Loans Held-for-sale, Fair Value Disclosure |  | 24,679 | 58,104
Fair Value, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Derivative Financial Instruments, Assets [Member] |  |  |
Assets and liabilities measured at fair value on a recurring basis |  |  |
Total |  | 97,912 | 187,399
Fair Value, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Derivative Financial Instruments, Liabilities [Member] |  |  |
Assets and liabilities measured at fair value on a recurring basis |  |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure |  | 76,015 | 134,064
Fair Value, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | US Treasury Securities [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 861,448 |
Fair Value, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Equity Securities [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Equity Securities, FV-NI |  | 0 | 0
Fair Value, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Municipal Bonds [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Debt Securities, Available-for-sale |  |  | 0
Fair Value, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Small Business Administration Pooled Securities [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 0 | 0
Fair Value, Nonrecurring [Member] |  |  |
Assets and liabilities measured at fair value on a recurring basis |  |  |
Assets And Liabilities Fair Value Disclosure Nonrecurring |  | 1,174 | 31,510
Fair Value, Nonrecurring [Member] | Collateral Dependent Loans [Member] |  |  |
Assets and liabilities measured at fair value on a recurring basis |  |  |
Assets, Fair Value Disclosure |  | 1,174 | 31,510
Fair Value, Nonrecurring [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |  |
Assets and liabilities measured at fair value on a recurring basis |  |  |
Assets And Liabilities Fair Value Disclosure Nonrecurring |  | 1,174 | 31,510
Fair Value, Nonrecurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Collateral Dependent Loans [Member] |  |  |
Assets and liabilities measured at fair value on a recurring basis |  |  |
Assets, Fair Value Disclosure | [1] | $ 1,174 | $ 31,510
[1] | The fair value of individually assessed collateral dependent loans is generally determined through independent appraisals of the underlying collateral, which generally include various Level 3 inputs which are not identifiable. Appraisals may be adjusted by management for qualitative factors such as economic factors and estimated liquidation expenses. The range of these possible adjustments may vary.

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