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The FDIC indemnification asset is carried at fair value by discounting the cash flows expected to be received from the FDIC. These cash flows are estimated by multiplying estimated losses on purchased loans and OREO by the reimbursement rate set forth in the FDIC agreements.

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No definition available.

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The amount shown on the books that a bank with insufficient reserves borrows, at the federal funds rate, from another bank to meet its reserve requirements and the amount of securities that an institution sells and agrees to repurchase at a specified date for a specified price, net of any reductions or offsets. AND Including both current and noncurrent portions, Federal Home Loan Bank borrowings initially due beyond one year or beyond the normal operating cycle if longer.

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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. AND Including the current and noncurrent portions, the carrying value of junior subordinated long-term debt owed to unconsolidated subsidiary trusts as of the balance sheet date. Such debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets and was initially scheduled to be repaid after one year or beyond the normal operating cycle if longer.

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The carrying amount of a life insurance policy on an officer, executive or employee for which the reporting entity (a bank) is entitled to proceeds from the policy upon death of the insured or surrender of the insurance policy.

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For banks and other depository institutions: Includes cash on hand (currency and coin), cash items in process of collection, noninterest bearing deposits due from other financial institutions (including corporate credit unions), and noninterest bearing balances with the Federal Reserve Banks, Federal Home Loan Banks and central banks.

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The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.

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A valuation allowance for financing receivables that are expected to be uncollectible.

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-SubTopic 10

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-Paragraph 11B

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This item represents the aggregate fair value of investments in debt securities as of the balance sheet date and which are categorized as held-to-maturity.

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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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Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid.

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Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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No definition available.

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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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.

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Net carrying amount of all categories of loans and leases held in portfolio, net of unearned income and the allowance for losses on loans and leases. Includes receivables covered through loss sharing agreements.

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This element represents the portion of the balance sheet assertion valued at fair value by the entity 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. This item represents loan receivable as presented on the statement of financial position which may include mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts, or any other loans which are due the Company as of the balance sheet date.

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Balance Type:	debit
Period Type:	instant

Note 12 - Fair Value (Detail) - Financial Instruments Fair Value (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010
Assets:
Cash and due from banks	$ 110,924		$ 123,354
Interest-bearing deposits in other banks	367,238		518,176
Securities held-to-maturity:
Municipal securities	60,933		60,458
Municipal securities	65,647		61,477
Loans, net of allowance for loan losses:
Loans receivable - carrying amount	5,411,891		5,229,153
Allowance for loan losses	116,182		119,462	137,331
Allowance for loan losses	118,682	118,764	121,962	139,831	145,003	145,072
Accrued interest receivable	28,849		29,826
Investment in BOLI	206,572		206,235
Deposits
Deposits - carrying amount	6,627,743		6,479,175
Borrowed funds	189,524		205,371
Senior and subordinated debt	231,138		252,153
Standby letters of credit	109,270		116,566
Commercial And Industrial [Member] \| Carrying Amount [Member]
Loans, net of allowance for loan losses:
Loans receivable - carrying amount	1,597,427		1,458,446
Commercial And Industrial [Member] \| Fair Value, Inputs, Level 3 [Member]
Loans, net of allowance for loan losses:
Loans receivable - fair value	1,601,726		1,460,972
Agricultural [Member] \| Carrying Amount [Member]
Loans, net of allowance for loan losses:
Loans receivable - carrying amount	272,742		243,776
Agricultural [Member] \| Fair Value, Inputs, Level 3 [Member]
Loans, net of allowance for loan losses:
Loans receivable - fair value	271,095		243,035
Office Retail And Industrial [Member] \| Carrying Amount [Member]
Loans, net of allowance for loan losses:
Loans receivable - carrying amount	1,391,129		1,299,082
Office Retail And Industrial [Member] \| Fair Value, Inputs, Level 3 [Member]
Loans, net of allowance for loan losses:
Loans receivable - fair value	1,401,102		1,303,288
Multi-Family [Member] \| Carrying Amount [Member]
Loans, net of allowance for loan losses:
Loans receivable - carrying amount	308,250		288,336
Multi-Family [Member] \| Fair Value, Inputs, Level 3 [Member]
Loans, net of allowance for loan losses:
Loans receivable - fair value	309,979		290,645
Residential Construction [Member] \| Carrying Amount [Member]
Loans, net of allowance for loan losses:
Loans receivable - carrying amount	88,908		105,836
Residential Construction [Member] \| Fair Value, Inputs, Level 3 [Member]
Loans, net of allowance for loan losses:
Loans receivable - fair value	89,067		106,145
Commercial Construction [Member] \| Carrying Amount [Member]
Loans, net of allowance for loan losses:
Loans receivable - carrying amount	147,626		144,909
Commercial Construction [Member] \| Fair Value, Inputs, Level 3 [Member]
Loans, net of allowance for loan losses:
Loans receivable - fair value	147,838		145,305
Other Commercial Real Estate [Member] \| Carrying Amount [Member]
Loans, net of allowance for loan losses:
Loans receivable - carrying amount	817,071		888,146
Other Commercial Real Estate [Member] \| Fair Value, Inputs, Level 3 [Member]
Loans, net of allowance for loan losses:
Loans receivable - fair value	822,737		890,275
Home Equity1 [Member] \| Carrying Amount [Member]
Loans, net of allowance for loan losses:
Loans receivable - carrying amount	398,428		416,194
Home Equity1 [Member] \| Fair Value, Inputs, Level 3 [Member]
Loans, net of allowance for loan losses:
Loans receivable - fair value	388,548		394,404
1-4 Family Mortgages [Member] \| Carrying Amount [Member]
Loans, net of allowance for loan losses:
Loans receivable - carrying amount	237,341		201,099
1-4 Family Mortgages [Member] \| Fair Value, Inputs, Level 3 [Member]
Loans, net of allowance for loan losses:
Loans receivable - fair value	251,724		206,115
Installment Loans [Member] \| Carrying Amount [Member]
Loans, net of allowance for loan losses:
Loans receivable - carrying amount	39,104		42,289
Installment Loans [Member] \| Fair Value, Inputs, Level 3 [Member]
Loans, net of allowance for loan losses:
Loans receivable - fair value	40,077		43,030
Covered Loans [Member] \| Carrying Amount [Member]
Loans, net of allowance for loan losses:
Loans receivable - carrying amount	230,047		260,502
Covered Loans [Member] \| Fair Value, Inputs, Level 3 [Member]
Loans, net of allowance for loan losses:
Loans receivable - fair value	263,641		288,021
Demand Deposits [Member] \| Carrying Amount [Member]
Deposits
Deposits - carrying amount	1,727,009		1,593,773
Demand Deposits [Member] \| Fair Value, Inputs, Level 2 [Member]
Deposits
Deposits - fair value	1,727,009		1,593,773
Savings Deposits [Member] \| Carrying Amount [Member]
Deposits
Deposits - carrying amount	1,038,806		970,016
Savings Deposits [Member] \| Fair Value, Inputs, Level 2 [Member]
Deposits
Deposits - fair value	1,038,806		970,016
NOW Accounts [Member] \| Carrying Amount [Member]
Deposits
Deposits - carrying amount	1,144,446		1,057,887
NOW Accounts [Member] \| Fair Value, Inputs, Level 2 [Member]
Deposits
Deposits - fair value	1,144,446		1,057,887
Money Market Deposits [Member] \| Carrying Amount [Member]
Deposits
Deposits - carrying amount	1,211,000		1,198,382
Money Market Deposits [Member] \| Fair Value, Inputs, Level 2 [Member]
Deposits
Deposits - fair value	1,211,000		1,198,382
Time Deposits [Member] \| Carrying Amount [Member]
Deposits
Deposits - carrying amount	1,506,482		1,659,117
Time Deposits [Member] \| Fair Value, Inputs, Level 2 [Member]
Deposits
Deposits - fair value	1,509,537		1,659,251
Total Deposits [Member] \| Carrying Amount [Member]
Deposits
Deposits - carrying amount	6,627,743		6,479,175
Total Deposits [Member] \| Fair Value, Inputs, Level 2 [Member]
Deposits
Deposits - fair value	6,630,798		6,479,309
Carrying Amount [Member]
Assets:
Cash and due from banks	110,924		123,354
Interest-bearing deposits in other banks	367,238		518,176
Securities held-to-maturity:
Municipal securities	60,933		60,458
Loans, net of allowance for loan losses:
Allowance for loan losses	(116,182)		(119,462)
Loans, net of allowance for loan losses	5,411,891		5,229,153
FDIC indemnification asset	58,302		65,609
Accrued interest receivable	28,849		29,826
Investment in BOLI	206,572		206,235
Deposits
Borrowed funds	189,524		205,371
Senior and subordinated debt	231,138		252,153
Accrued interest payable	3,329		4,019
Standby letters of credit	516		668
Fair Value, Inputs, Level 1 [Member]
Assets:
Cash and due from banks	110,924		123,354
Deposits
Senior and subordinated debt	230,958		237,393
Fair Value, Inputs, Level 2 [Member]
Assets:
Interest-bearing deposits in other banks	367,238		518,176
Securities held-to-maturity:
Municipal securities	65,647		61,477
Loans, net of allowance for loan losses:
Accrued interest receivable	28,849		29,826
Deposits
Borrowed funds	192,946		208,728
Accrued interest payable	3,329		4,019
Standby letters of credit	516		668
Fair Value, Inputs, Level 3 [Member]
Loans, net of allowance for loan losses:
Allowance for loan losses	(116,182)		(119,462)
Loans, net of allowance for loan losses	5,471,352		5,251,773
FDIC indemnification asset	33,235		37,173
Investment in BOLI	$ 206,572		$ 206,235