Cash and Cash Due From Banks

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Securities Available For Sale Including Covered Securities

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Subordinated Debentures Not Part of Long-Term Liabilities

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Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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No definition available.

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Fair value portion of deposit liabilities held by the entity, including, but not limited to, foreign and domestic, interest and noninterest bearing, demand deposits, saving deposits, negotiable orders of withdrawal (NOW) and time deposits.

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Amount of interest bearing deposits with no stated maturity, which may include passbook and statement savings accounts and money-market deposit accounts (MMDAs).

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Fair value of securities received as collateral against derivative assets.

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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Fair value of securities pledged as collateral against derivative liabilities.

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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Fair value of subordinated debt obligations including, but not limited to, subordinated loan, subordinated bond, subordinated debenture or junior debt.

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Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).

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For banks and other depository institutions (including Federal Reserve Banks, if applicable): Interest-bearing deposits in other financial institutions for relatively short periods of time including, for example, certificates of deposits, which are presented separately from cash on the balance sheet.

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Amount of interest-bearing domestic third-party deposits placed by or through the assistance of a deposit broker, also known as brokered deposit liabilities.

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Fair value portion of investments in Federal Home Loan Bank (FHLBank) stock.

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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

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Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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No definition available.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of subordinated debt (with initial maturities beyond one year or beyond the operating cycle if longer). Subordinated debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets.

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Amount of time deposit liabilities, including certificates of deposit.

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Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

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Fair value portion of warrants not settleable in cash classified as equity.

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Fair Value Measurements (Details 8) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and due from banks	$ 150,464	$ 172,585
Interest-earning deposits in financial institutions	3,010,197	465,039
Securities available-for-sale, at fair value	5,235,591	3,797,187
Securities available-for-sale, at fair value	5,235,591	3,797,187
Federal Home Loan Bank stock, at cost	17,250	40,924
Investment in Federal Home Loan Bank Stock, Fair Value Disclosure	17,250	40,924
Loans and leases, net	18,735,196	18,708,087
Loans Receivable, Fair Value Disclosure	19,305,998
Warrants and Rights Outstanding		3,434
Derivative Assets	8,750	4,668
Equity Securities, FV-NI	6,147	2,998
Deposits, Savings Deposits	22,264,480	16,187,287
Interest-bearing Domestic Deposit, Brokered	1,149,467	496,407
Time Deposits	1,526,770	2,549,342
Deposits, Fair Value Disclosure	1,527,639	2,549,260
Borrowings	5,000	1,759,008
Long-term Debt, Fair Value	4,995	1,759,008
Subordinated Debentures	465,812	458,209
Subordinated debentures	465,800
Subordinated Debt Obligations, Fair Value Disclosure	448,036	441,617
Derivative Liabilities	1,150	755
Interest rate and economic contracts
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Assets	4,230	1,234
Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and due from banks	150,464	172,585
Interest-earning deposits in financial institutions	3,010,197	465,039
Investment in Federal Home Loan Bank Stock, Fair Value Disclosure	0	0
Deposits, Savings Deposits	0	0
Interest-bearing Domestic Deposit, Brokered	0	0
Deposits, Fair Value Disclosure	0	0
Long-term Debt, Fair Value	0	1,759,000
Subordinated Debt Obligations, Fair Value Disclosure	0	0
Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and due from banks	0	0
Interest-earning deposits in financial institutions	0	0
Investment in Federal Home Loan Bank Stock, Fair Value Disclosure	17,250	40,924
Deposits, Savings Deposits	22,264,480	16,187,287
Interest-bearing Domestic Deposit, Brokered	1,149,467	496,407
Deposits, Fair Value Disclosure	1,527,639	2,549,260
Long-term Debt, Fair Value	4,995	8
Subordinated Debt Obligations, Fair Value Disclosure	448,036	441,617
Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and due from banks	0	0
Interest-earning deposits in financial institutions	0	0
Investment in Federal Home Loan Bank Stock, Fair Value Disclosure	0	0
Loans Receivable, Fair Value Disclosure	19,301,838
Warrants Not Settleable in Cash, Fair Value Disclosure		3,434	$ 4,793	$ 5,161
Deposits, Savings Deposits	0	0
Interest-bearing Domestic Deposit, Brokered	0	0
Deposits, Fair Value Disclosure	0	0
Long-term Debt, Fair Value	0	0
Subordinated Debt Obligations, Fair Value Disclosure	0	0
NonPCI and PCI Loans [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans Receivable, Fair Value Disclosure		19,055,004
NonPCI and PCI Loans [Member] \| Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans Receivable, Fair Value Disclosure	0	0
NonPCI and PCI Loans [Member] \| Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans Receivable, Fair Value Disclosure	4,160	1,083
NonPCI and PCI Loans [Member] \| Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans Receivable, Fair Value Disclosure		19,053,921
Fair Value, Recurring
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Securities available-for-sale, at fair value	5,235,591
Warrants Not Settleable in Cash, Fair Value Disclosure	4,520	3,434
Derivative Liability, Fair Value of Collateral	1,150	755
Fair Value, Recurring \| Interest rate and economic contracts
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Asset, Fair Value of Collateral	4,230	1,234
Fair Value, Recurring \| Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Securities available-for-sale, at fair value	5,302	5,181
Equity Securities, FV-NI	6,147	2,998
Warrants Not Settleable in Cash, Fair Value Disclosure	0	0
Derivative Liability, Fair Value of Collateral	0	0
Fair Value, Recurring \| Level 1 \| Interest rate and economic contracts
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Asset, Fair Value of Collateral	0	0
Fair Value, Recurring \| Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Securities available-for-sale, at fair value	5,199,917	3,769,307
Equity Securities, FV-NI	0	0
Warrants Not Settleable in Cash, Fair Value Disclosure	0	0
Derivative Liability, Fair Value of Collateral	1,150	755
Fair Value, Recurring \| Level 2 \| Interest rate and economic contracts
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Asset, Fair Value of Collateral	4,230	1,234
Fair Value, Recurring \| Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Securities available-for-sale, at fair value	30,372	22,699
Equity Securities, FV-NI	0	0
Warrants Not Settleable in Cash, Fair Value Disclosure	4,520	3,434
Derivative Liability, Fair Value of Collateral	0	0
Fair Value, Recurring \| Level 3 \| Interest rate and economic contracts
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Asset, Fair Value of Collateral	$ 0	$ 0