$BUSE
FIRST BUSEY CORP /NV/ Stock $buse

$buse Overview Financials Valuation SEC Filings Company Website

2013 Q4 Form 10-K Financial Statement

#000110465914018391 Filed on March 11, 2014

Income Statement

Concept	2013 Q4	2013	2012 Q4
Revenue	$26.89M	$108.7M	$28.58M
YoY Change	-5.94%	-7.03%	-8.47%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development		$10.47M
YoY Change		-5.39%
% of Gross Profit
Depreciation & Amortization	$2.100M	$5.500M	$2.300M
YoY Change	-8.7%	1.85%	0.0%
% of Gross Profit
Operating Expenses		$10.47M
YoY Change		-5.39%
Operating Profit
YoY Change
Interest Expense	$1.881M	$8.631M	$2.955M
YoY Change	-36.35%	-41.56%	-37.8%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$10.45M	$42.84M	$7.473M
YoY Change	39.81%	30.39%	-12.07%
Income Tax	$3.528M	$14.11M	$2.556M
% Of Pretax Income	33.77%	32.94%	34.2%
Net Earnings	$6.920M	$28.73M	$4.917M
YoY Change	40.74%	28.49%	-14.43%
Net Earnings / Revenue	25.74%	26.43%	17.2%
Basic Earnings Per Share	$0.07	$0.29	$0.05
Diluted Earnings Per Share	$0.07	$0.29	$0.05
COMMON SHARES
Basic Shares Outstanding	86.76M shares	86.77M shares	86.64M shares
Diluted Shares Outstanding		87.06M shares

Balance Sheet

Concept	2013 Q4	2013	2012 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$231.6M		$351.3M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$65.83M	$66.00M	$71.07M
YoY Change	-7.37%	-7.04%	2.4%
Goodwill	$20.69M		$20.69M
YoY Change	0.0%		0.0%
Intangibles	$9.571M		$12.70M
YoY Change	-24.66%		-20.7%
Long-Term Investments
YoY Change
Other Assets	$36.00M	$36.00M	$39.00M
YoY Change	-7.69%	-7.69%	-18.75%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$3.540B	$3.540B	$3.618B
YoY Change	-2.17%	-2.16%	6.35%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$172.0M	$172.0M	$139.0M
YoY Change	23.74%	23.74%	8.59%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$172.0M	$172.0M	$139.0M
YoY Change	23.74%	23.74%	8.59%
LONG-TERM LIABILITIES
Long-Term Debt	$55.00M	$55.00M	$62.00M
YoY Change	-11.29%	-11.29%	-16.22%
Other Long-Term Liabilities	$28.00M	$28.00M	$28.00M
YoY Change	0.0%	0.0%	3.7%
Total Long-Term Liabilities	$83.00M	$83.00M	$90.00M
YoY Change	-7.78%	-7.78%	-10.89%
TOTAL LIABILITIES
Total Short-Term Liabilities	$172.0M	$172.0M	$139.0M
Total Long-Term Liabilities	$83.00M	$83.00M	$90.00M
Total Liabilities	$3.124B	$3.124B	$3.209B
YoY Change	-2.65%	-2.65%	7.23%
SHAREHOLDERS EQUITY
Retained Earnings	-$225.7M		-$240.3M
YoY Change	-6.07%		0.94%
Common Stock	$88.00K		$88.00K
YoY Change	0.0%		0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$29.27M		$31.59M
YoY Change	-7.35%		-1.65%
Treasury Stock Shares	1.483M shares		1.616M shares
Shareholders Equity	$415.4M	$415.0M	$408.8M
YoY Change
Total Liabilities & Shareholders Equity	$3.540B	$3.540B	$3.618B
YoY Change	-2.17%	-2.16%	6.35%

Cashflow Statement

Concept	2013 Q4	2013	2012 Q4
OPERATING ACTIVITIES
Net Income	$6.920M	$28.73M	$4.917M
YoY Change	40.74%	28.49%	-14.43%
Depreciation, Depletion And Amortization	$2.100M	$5.500M	$2.300M
YoY Change	-8.7%	1.85%	0.0%
Cash From Operating Activities	$21.20M	$98.20M	$5.800M
YoY Change	265.52%	100.0%	-86.67%
INVESTING ACTIVITIES
Capital Expenditures	-$200.0K	$2.549M	-$1.700M
YoY Change	-88.24%	-70.4%	183.33%
Acquisitions
YoY Change
Other Investing Activities	$11.50M	-$116.1M	-$64.90M
YoY Change	-117.72%	-40.7%	260.56%
Cash From Investing Activities	$11.20M	-$118.7M	-$66.50M
YoY Change	-116.84%	-41.93%	253.72%
FINANCING ACTIVITIES
Cash Dividend Paid		$14.04M
YoY Change		-42.52%
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net		$7.000M
YoY Change		-41.67%
Cash From Financing Activities	600.0K	-99.10M	83.80M
YoY Change	-99.28%	-151.72%	7518.18%
NET CHANGE
Cash From Operating Activities	21.20M	98.20M	5.800M
Cash From Investing Activities	11.20M	-118.7M	-66.50M
Cash From Financing Activities	600.0K	-99.10M	83.80M
Net Change In Cash	33.00M	-119.6M	23.10M
YoY Change	42.86%	-429.48%	-10.47%
FREE CASH FLOW
Cash From Operating Activities	$21.20M	$98.20M	$5.800M
Capital Expenditures	-$200.0K	$2.549M	-$1.700M
Free Cash Flow	$21.40M	$95.65M	$7.500M
YoY Change	185.33%	136.24%	-82.99%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2013	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-size:10.0pt;font-family:Times New Roman;"> <p style="MARGIN: 0in 0in 0pt;"><u><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">Use of estimates</font></u></p> <p style="MARGIN: 0in 0in 0pt;"> </p> <p style="MARGIN: 0in 0in 0pt;"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">In preparing the accompanying Consolidated Financial Statements, the Company’s management is required to make estimates and assumptions that affect the reported amounts of assets and liabilities as of the date of the financial statements and the reported amounts of revenues and expenses for the reporting period.  Actual results could differ from those estimates.  Material estimates which are particularly susceptible to significant change in the near-term relate to the fair value of investment securities, the determination of the allowance for loan losses and the ability to realize its deferred tax assets.</font></p> <p style="MARGIN: 0in 0in 0pt;"> </p> </div>
CY2013	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<div style="font-size:10.0pt;font-family:Times New Roman;"> <p style="MARGIN: 0in 0in 0pt;"><u><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">Reclassifications</font></u></p> <p style="MARGIN: 0in 0in 0pt;"> </p> <p style="MARGIN: 0in 0in 0pt;"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">Reclassifications have been made to certain prior year account balances, with no effect on net income or stockholders’ equity, to be consistent with the classifications adopted as of and for the year ended December 31, 2013.</font></p> </div>
CY2013	buse	Loans Assessed For Impairment Minimum Past Due Period LoansAssessedForImpairmentMinimumPastDuePeriod	P60D
CY2013Q4	buse	Customer Assets Held In Trust CustomerAssetsHeldInTrust	5000000000	USD
CY2012Q4	buse	Customer Assets Held In Trust CustomerAssetsHeldInTrust	4200000000	USD
CY2013	buse	Loans And Leases Receivable Estimated Economic Life Maximum LoansAndLeasesReceivableEstimatedEconomicLifeMaximum	P5Y
CY2013	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2012	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2013	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3	item
CY2013	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	25093000	USD
CY2012	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	18724000	USD
CY2011	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	24531000	USD
CY2013	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	86765000	shares
CY2012	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	86643000	shares
CY2011	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	85304000	shares
CY2013	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	299000	shares
CY2012	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	9000	shares
CY2011	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	8000	shares
CY2013	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	87064000	shares
CY2012	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	86652000	shares
CY2011	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	85312000	shares
CY2013	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.29
CY2012	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.22
CY2011	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.29
CY2013	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.29
CY2012	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.22
CY2011	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.29
CY2012Q4	buse	Required Cash Reserve Balance RequiredCashReserveBalance	4300000	USD
CY2013Q4	buse	Required Cash Reserve Balance RequiredCashReserveBalance	5300000	USD
CY2013Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	833735000	USD
CY2013	us-gaap	Available For Sale Securities Gross Unrealized Gains AvailableForSaleSecuritiesGrossUnrealizedGains	11350000	USD
CY2013	buse	Impaired Loans Current Interest Income Gross ImpairedLoansCurrentInterestIncomeGross	1300000	USD
CY2012	us-gaap	Available For Sale Securities Gross Unrealized Loss AvailableForSaleSecuritiesGrossUnrealizedLoss	269000	USD
CY2013Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	1482777	shares
CY2012Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	1001497000	USD
CY2013Q4	us-gaap	Available For Sale Securities Debt Maturities Next Rolling Twelve Months Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis	140414000	USD
CY2013Q4	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Two Through Five Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis	451993000	USD
CY2013Q4	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis	163885000	USD
CY2013Q4	us-gaap	Available For Sale Securities Debt Maturities Rolling After Year Ten Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis	73329000	USD
CY2013Q4	us-gaap	Available For Sale Securities Debt Maturities Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAmortizedCost	829621000	USD
CY2013Q4	us-gaap	Available For Sale Securities Debt Maturities Next Rolling Twelve Months Fair Value AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue	141464000	USD
CY2013	us-gaap	Available For Sale Securities Gross Unrealized Loss AvailableForSaleSecuritiesGrossUnrealizedLoss	3775000	USD
CY2013Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	841310000	USD
CY2013Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	834000	USD
CY2013	us-gaap	Held To Maturity Securities Unrecognized Holding Gains HeldToMaturitySecuritiesUnrecognizedHoldingGains	1000	USD
CY2013Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	831000	USD
CY2012Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	978477000	USD
CY2012	us-gaap	Available For Sale Securities Gross Unrealized Gains AvailableForSaleSecuritiesGrossUnrealizedGains	23289000	USD
CY2013Q4	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Two Through Five Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue	454381000	USD
CY2013Q4	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue	165378000	USD
CY2013Q4	us-gaap	Available For Sale Securities Debt Maturities Rolling After Year Ten Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue	74221000	USD
CY2013Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	835444000	USD
CY2013Q4	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount	321000	USD
CY2013Q4	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount	513000	USD
CY2013Q4	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	322000	USD
CY2013Q4	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	509000	USD
CY2013	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	599000	USD
CY2012	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	1602000	USD
CY2011	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	174000	USD
CY2013	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	46000	USD
CY2012	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	5000	USD
CY2011	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	4000	USD
CY2013	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	553000	USD
CY2012	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	1597000	USD
CY2011	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	170000	USD
CY2013	buse	Available For Sale Securities Net Realized Gains And Losses Income Tax Expense Benefit AvailableForSaleSecuritiesNetRealizedGainsAndLossesIncomeTaxExpenseBenefit	200000	USD
CY2012	buse	Available For Sale Securities Net Realized Gains And Losses Income Tax Expense Benefit AvailableForSaleSecuritiesNetRealizedGainsAndLossesIncomeTaxExpenseBenefit	600000	USD
CY2013Q4	us-gaap	Available For Sale Securities Pledged As Collateral AvailableForSaleSecuritiesPledgedAsCollateral	428700000	USD
CY2012Q4	us-gaap	Available For Sale Securities Pledged As Collateral AvailableForSaleSecuritiesPledgedAsCollateral	489100000	USD
CY2013Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	199636000	USD
CY2013Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	8492000	USD
CY2013Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	208128000	USD
CY2013Q4	buse	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses Accumulated In Investments AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLossesAccumulatedInInvestments	3481000	USD
CY2013Q4	buse	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses Accumulated In Investments AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLossesAccumulatedInInvestments	294000	USD
CY2013Q4	buse	Available For Sale Securities Continuous Unrealized Loss Position Aggregate Losses Accumulated In Investments AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAggregateLossesAccumulatedInInvestments	3775000	USD
CY2013Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	597000	USD
CY2013Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	597000	USD
CY2013	us-gaap	Heldtomaturity Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Loss HeldtomaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLoss	4000	USD
CY2013	us-gaap	Heldtomaturity Securities Continuous Unrealized Loss Position Aggregate Loss HeldtomaturitySecuritiesContinuousUnrealizedLossPositionAggregateLoss	4000	USD
CY2012Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	63320000	USD
CY2012Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	3311000	USD
CY2012Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	66631000	USD
CY2012Q4	buse	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses Accumulated In Investments AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLossesAccumulatedInInvestments	220000	USD
CY2012Q4	buse	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses Accumulated In Investments AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLossesAccumulatedInInvestments	49000	USD
CY2012Q4	buse	Available For Sale Securities Continuous Unrealized Loss Position Aggregate Losses Accumulated In Investments AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAggregateLossesAccumulatedInInvestments	269000	USD
CY2013Q4	us-gaap	Availableforsale Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions1 AvailableforsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions1	266	item
CY2013Q4	buse	Available For Sale Securities In Unrealized Loss Positions As Percentage Of Aggregate Carrying Value AvailableForSaleSecuritiesInUnrealizedLossPositionsAsPercentageOfAggregateCarryingValue	0.018	pure
CY2013	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2013	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2013	dei	Entity Registrant Name EntityRegistrantName	FIRST BUSEY CORP /NV/
CY2013	dei	Entity Central Index Key EntityCentralIndexKey	0000314489
CY2013	dei	Document Type DocumentType	10-K
CY2013	dei	Document Period End Date DocumentPeriodEndDate	2013-12-31
CY2013	dei	Amendment Flag AmendmentFlag	false
CY2013	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2013	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2013	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
CY2013	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2013
CY2013	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2014Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	86811171	shares
CY2013Q2	dei	Entity Public Float EntityPublicFloat	349000000	USD
CY2013Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	2295300000	USD
CY2013Q4	us-gaap	Loans Receivable Held For Sale Net LoansReceivableHeldForSaleNet	13840000	USD
CY2012Q4	us-gaap	Loans Receivable Held For Sale Net LoansReceivableHeldForSaleNet	40003000	USD
CY2013Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	2281460000	USD
CY2012Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	2033107000	USD
CY2013Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	47567000	USD
CY2012Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	48012000	USD
CY2013Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	2233893000	USD
CY2012Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	1985095000	USD
CY2012Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	2073110000	USD
CY2012Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	800000	USD
CY2013	buse	Minimum Loans And Leases Receivable Period Of Lending Of Short Term Loans MinimumLoansAndLeasesReceivablePeriodOfLendingOfShortTermLoans	P0Y
CY2013	buse	Maximum Loans And Leases Receivable Period Of Lending Of Intermediate Term Loans MaximumLoansAndLeasesReceivablePeriodOfLendingOfIntermediateTermLoans	P7Y
CY2013Q4	buse	Loans And Leases Receivable Geographical Area From Lending Offices To Lend Short And Intermediate Term Loans LoansAndLeasesReceivableGeographicalAreaFromLendingOfficesToLendShortAndIntermediateTermLoans	125
CY2013Q4	buse	Loans And Leases Receivable Total Borrowing Relationships Direct And Indirect Debt Borrowing Limit LoansAndLeasesReceivableTotalBorrowingRelationshipsDirectAndIndirectDebtBorrowingLimit	20000000	USD
CY2013Q4	buse	Loans And Leases Receivable Threshold Above Which Board Of Directors Reviews Annually LoansAndLeasesReceivableThresholdAboveWhichBoardOfDirectorsReviewsAnnually	20000000	USD
CY2013Q4	buse	Number Of Primary Loan Lending Areas NumberOfPrimaryLoanLendingAreas	5	item
CY2013Q4	us-gaap	Financing Receivable Recorded Investment30 To59 Days Past Due FinancingReceivableRecordedInvestment30To59DaysPastDue	1976000	USD
CY2013Q4	us-gaap	Financing Receivable Recorded Investment60 To89 Days Past Due FinancingReceivableRecordedInvestment60To89DaysPastDue	4138000	USD
CY2013Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	195000	USD
CY2013Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	17164000	USD
CY2012Q4	us-gaap	Financing Receivable Recorded Investment30 To59 Days Past Due FinancingReceivableRecordedInvestment30To59DaysPastDue	1847000	USD
CY2012Q4	us-gaap	Financing Receivable Recorded Investment60 To89 Days Past Due FinancingReceivableRecordedInvestment60To89DaysPastDue	438000	USD
CY2012Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	256000	USD
CY2012Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	25104000	USD
CY2013	buse	Loans Assessed For Impairment Minimum Amount For Loans Due In60 Days Or More LoansAssessedForImpairmentMinimumAmountForLoansDueIn60DaysOrMore	250000	USD
CY2013	buse	Loans Assessed For Impairment Minimum Amount For Eight Graded Loans LoansAssessedForImpairmentMinimumAmountForEightGradedLoans	500000	USD
CY2012	buse	Impaired Loans Current Interest Income Gross ImpairedLoansCurrentInterestIncomeGross	3400000	USD
CY2011	buse	Impaired Loans Current Interest Income Gross ImpairedLoansCurrentInterestIncomeGross	6000000	USD
CY2013	buse	Restructured Loan Included In Non Performing Loan Minimum Past Due Period RestructuredLoanIncludedInNonPerformingLoanMinimumPastDuePeriod	P90D
CY2013Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	17810000	USD
CY2012Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	28509000	USD
CY2013	buse	Financing Receivable Modifications Defaulted Minimum Period Past Due To Be Classified As Non Performing FinancingReceivableModificationsDefaultedMinimumPeriodPastDueToBeClassifiedAsNonPerforming	P90D
CY2013Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	40077000	USD
CY2013Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	24282000	USD
CY2013Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	9778000	USD
CY2013Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	34060000	USD
CY2013Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	4287000	USD
CY2013	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	44724000	USD
CY2012Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	70963000	USD
CY2012Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	51552000	USD
CY2012Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	4041000	USD
CY2012Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	55593000	USD
CY2012Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	1757000	USD
CY2012	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	64591000	USD
CY2013	buse	Number Of Components Of Company Allowance NumberOfComponentsOfCompanyAllowance	2	item
CY2013	buse	Number Of Quarters Whose Historical Average Is Used To Calculate Historical Loss Ratio NumberOfQuartersWhoseHistoricalAverageIsUsedToCalculateHistoricalLossRatio	20	item
CY2011Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	58506000	USD
CY2010Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	76038000	USD
CY2013	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	7500000	USD
CY2012	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	16500000	USD
CY2011	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	20000000	USD
CY2013	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	2724000	USD
CY2012	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	3069000	USD
CY2011	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	7881000	USD
CY2013	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	10669000	USD
CY2012	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	30063000	USD
CY2011	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	45413000	USD
CY2013Q4	us-gaap	Time Deposit Maturities After Year Five TimeDepositMaturitiesAfterYearFive	4000	USD
CY2012Q4	us-gaap	Principal Amount Outstanding On Loans Managed And Securitized PrincipalAmountOutstandingOnLoansManagedAndSecuritized	1340000000	USD
CY2013Q4	us-gaap	Principal Amount Outstanding On Loans Managed And Securitized PrincipalAmountOutstandingOnLoansManagedAndSecuritized	1440000000	USD
CY2012Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	5300000	USD
CY2013Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	5100000	USD
CY2012Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	8600000	USD
CY2013Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	6400000	USD
CY2013	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	2490000	USD
CY2012	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	2794000	USD
CY2011	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	2741000	USD
CY2013	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	2650000	USD
CY2012	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	2972000	USD
CY2011	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	2530000	USD
CY2013Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	117313000	USD
CY2012Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	129457000	USD
CY2013Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	51486000	USD
CY2012Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	58390000	USD
CY2013Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	65827000	USD
CY2012Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	71067000	USD
CY2013	us-gaap	Depreciation Depreciation	5500000	USD
CY2012	us-gaap	Depreciation Depreciation	5400000	USD
CY2011	us-gaap	Depreciation Depreciation	5500000	USD
CY2012Q4	us-gaap	Goodwill Goodwill	20686000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	12703000	USD
CY2013Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	9571000	USD
CY2013	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3132000	USD
CY2012Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	611043000	USD
CY2012Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	2369249000	USD
CY2012Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	202263000	USD
CY2012Q4	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	1409492000	USD
CY2012Q4	us-gaap	Time Deposits TimeDeposits	691199000	USD
CY2012Q4	us-gaap	Deposits Deposits	2980292000	USD
CY2012Q4	us-gaap	Time Deposits100000 Or More TimeDeposits100000OrMore	202400000	USD
CY2012Q4	buse	Brokered Deposits BrokeredDeposits	700000	USD
CY2013Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	547531000	USD
CY2013Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	2321607000	USD
CY2013Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	206587000	USD
CY2013Q4	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	1471265000	USD
CY2013Q4	us-gaap	Time Deposits TimeDeposits	582371000	USD
CY2013Q4	us-gaap	Deposits Deposits	2869138000	USD
CY2013Q4	us-gaap	Time Deposits100000 Or More TimeDeposits100000OrMore	163700000	USD
CY2013Q4	buse	Brokered Deposits BrokeredDeposits	500000	USD
CY2013Q4	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	349128000	USD
CY2013Q4	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	112585000	USD
CY2013Q4	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	60553000	USD
CY2013Q4	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	41076000	USD
CY2013Q4	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	19025000	USD
CY2013	us-gaap	Goodwill Period Increase Decrease GoodwillPeriodIncreaseDecrease	0	USD
CY2013	buse	Securities Sold Under Agreement To Repurchase Maturity Period Maximum SecuritiesSoldUnderAgreementToRepurchaseMaturityPeriodMaximum	P1Y
CY2012Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	139024000	USD
CY2012Q4	buse	Securities Sold Under Agreements To Repurchase Weighted Average Interest Rate At Period End SecuritiesSoldUnderAgreementsToRepurchaseWeightedAverageInterestRateAtPeriodEnd	0.0015	pure
CY2012	buse	Securities Sold Under Agreements To Repurchase Month End Outstanding Amount SecuritiesSoldUnderAgreementsToRepurchaseMonthEndOutstandingAmount	146710000	USD
CY2012	buse	Securities Sold Under Agreements To Repurchase Average Daily Balance SecuritiesSoldUnderAgreementsToRepurchaseAverageDailyBalance	132150000	USD
CY2012	buse	Securities Sold Under Agreements To Repurchase Weighted Average Interest Rate During Period SecuritiesSoldUnderAgreementsToRepurchaseWeightedAverageInterestRateDuringPeriod	0.0021	pure
CY2013Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	172348000	USD
CY2013Q4	buse	Securities Sold Under Agreements To Repurchase Weighted Average Interest Rate At Period End SecuritiesSoldUnderAgreementsToRepurchaseWeightedAverageInterestRateAtPeriodEnd	0.0013	pure
CY2013	buse	Securities Sold Under Agreements To Repurchase Month End Outstanding Amount SecuritiesSoldUnderAgreementsToRepurchaseMonthEndOutstandingAmount	172348000	USD
CY2013	buse	Securities Sold Under Agreements To Repurchase Average Daily Balance SecuritiesSoldUnderAgreementsToRepurchaseAverageDailyBalance	137777000	USD
CY2013	buse	Securities Sold Under Agreements To Repurchase Weighted Average Interest Rate During Period SecuritiesSoldUnderAgreementsToRepurchaseWeightedAverageInterestRateDuringPeriod	0.0014	pure
CY2012Q4	us-gaap	Long Term Debt LongTermDebt	7000000	USD
CY2013Q4	us-gaap	Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust	55000000	USD
CY2013Q4	buse	Maximum Assets Of Bank Holding Entities For Inclusion Of Proceeds Of Trust Preferred Securities From Tier One Capital Unless Issued Prior To Specific Date MaximumAssetsOfBankHoldingEntitiesForInclusionOfProceedsOfTrustPreferredSecuritiesFromTierOneCapitalUnlessIssuedPriorToSpecificDate	15000000000	USD
CY2011	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.001	pure
CY2011	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	400000	USD
CY2011Q3	us-gaap	Class Of Warrant Or Right Number Of Securities Called By Warrants Or Rights ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights	1147666	shares
CY2011Q3	buse	Class Of Warrant Or Right Number Of Securities Called By Warrants Or Rights Percentage Reduction ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRightsPercentageReduction	0.50	pure
CY2011Q3	buse	Class Of Warrant Or Right Number Of Securities Called By Warrants Or Rights After Reduction ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRightsAfterReduction	573833	shares
CY2013Q4	us-gaap	Class Of Warrant Or Right Outstanding ClassOfWarrantOrRightOutstanding	573833	shares
CY2011Q1	buse	Common Stock Additional Shares Outstanding CommonStockAdditionalSharesOutstanding	7497000	shares
CY2013Q4	us-gaap	Capital Capital	449407000	USD
CY2013Q4	us-gaap	Capital Required For Capital Adequacy CapitalRequiredForCapitalAdequacy	197422000	USD
CY2013Q4	us-gaap	Capital Required To Be Well Capitalized CapitalRequiredToBeWellCapitalized	246777000	USD
CY2013Q4	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	0.1821	pure
CY2013Q4	us-gaap	Capital Required For Capital Adequacy To Risk Weighted Assets CapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.0800	pure
CY2013Q4	us-gaap	Capital Required To Be Well Capitalized To Risk Weighted Assets CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.1000	pure
CY2013Q4	us-gaap	Tier One Risk Based Capital TierOneRiskBasedCapital	417564000	USD
CY2013Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy TierOneRiskBasedCapitalRequiredForCapitalAdequacy	98711000	USD
CY2013Q4	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	0.1692	pure
CY2013Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.0400	pure
CY2013Q4	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.0600	pure
CY2013Q4	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized TierOneRiskBasedCapitalRequiredToBeWellCapitalized	148067000	USD
CY2013Q4	us-gaap	Tier One Leverage Capital TierOneLeverageCapital	417564000	USD
CY2013Q4	us-gaap	Tier One Leverage Capital Required For Capital Adequacy TierOneLeverageCapitalRequiredForCapitalAdequacy	138896000	USD
CY2013Q4	us-gaap	Tier One Leverage Capital To Average Assets TierOneLeverageCapitalToAverageAssets	0.1202	pure
CY2013Q4	us-gaap	Tier One Leverage Capital Required For Capital Adequacy To Average Assets TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets	0.0400	pure
CY2012Q4	us-gaap	Capital Capital	419343000	USD
CY2012Q4	us-gaap	Capital Required For Capital Adequacy CapitalRequiredForCapitalAdequacy	180026000	USD
CY2012Q4	us-gaap	Capital Required To Be Well Capitalized CapitalRequiredToBeWellCapitalized	225033000	USD
CY2012Q4	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	0.1863	pure
CY2012Q4	us-gaap	Capital Required For Capital Adequacy To Risk Weighted Assets CapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.0800	pure
CY2012Q4	us-gaap	Capital Required To Be Well Capitalized To Risk Weighted Assets CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.1000	pure
CY2012Q4	us-gaap	Tier One Risk Based Capital TierOneRiskBasedCapital	390304000	USD
CY2012Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy TierOneRiskBasedCapitalRequiredForCapitalAdequacy	90013000	USD
CY2012Q4	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized TierOneRiskBasedCapitalRequiredToBeWellCapitalized	135020000	USD
CY2012Q4	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	0.1734	pure
CY2012Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.0400	pure
CY2012Q4	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.0600	pure
CY2012Q4	us-gaap	Tier One Leverage Capital TierOneLeverageCapital	390304000	USD
CY2012Q4	us-gaap	Tier One Leverage Capital Required For Capital Adequacy TierOneLeverageCapitalRequiredForCapitalAdequacy	138151000	USD
CY2012Q4	us-gaap	Tier One Leverage Capital To Average Assets TierOneLeverageCapitalToAverageAssets	0.1130	pure
CY2012Q4	us-gaap	Tier One Leverage Capital Required For Capital Adequacy To Average Assets TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets	0.0400	pure
CY2013	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	4020000	USD
CY2012	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	1926000	USD
CY2011	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	2194000	USD
CY2013	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	10091000	USD
CY2012	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	8571000	USD
CY2011	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	12776000	USD
CY2013	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	14111000	USD
CY2012	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	10497000	USD
CY2011	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	14970000	USD
CY2013	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350	pure
CY2012	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350	pure
CY2011	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350	pure
CY2013	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.035	pure
CY2012	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.045	pure
CY2011	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.026	pure
CY2013	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.045	pure
CY2012	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.035	pure
CY2011	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.021	pure
CY2013	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Life Insurance EffectiveIncomeTaxRateReconciliationNondeductibleExpenseLifeInsurance	-0.009	pure
CY2012	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Life Insurance EffectiveIncomeTaxRateReconciliationNondeductibleExpenseLifeInsurance	-0.018	pure
CY2011	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Life Insurance EffectiveIncomeTaxRateReconciliationNondeductibleExpenseLifeInsurance	-0.010	pure
CY2013	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.022	pure
CY2012	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.003	pure
CY2013	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.329	pure
CY2012	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.319	pure
CY2011	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.334	pure
CY2013Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	19416000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	19597000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	1319000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	1183000	USD
CY2013Q4	buse	Deferred Tax Assets Loan Adjustment DeferredTaxAssetsLoanAdjustment	108000	USD
CY2012Q4	buse	Deferred Tax Assets Loan Adjustment DeferredTaxAssetsLoanAdjustment	396000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Other DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsOther	2015000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Other DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsOther	1993000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	545000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	576000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	1264000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	616000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1780000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1423000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	26447000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	25784000	USD
CY2013Q4	buse	Deferred Tax Liabilities Unrealized Gains On Available For Sale Securities DeferredTaxLiabilitiesUnrealizedGainsOnAvailableForSaleSecurities	3119000	USD
CY2012Q4	buse	Deferred Tax Liabilities Unrealized Gains On Available For Sale Securities DeferredTaxLiabilitiesUnrealizedGainsOnAvailableForSaleSecurities	9479000	USD
CY2013Q4	buse	Deferred Tax Liabilities Investments Other DeferredTaxLiabilitiesInvestmentsOther	2450000	USD
CY2012Q4	buse	Deferred Tax Liabilities Investments Other DeferredTaxLiabilitiesInvestmentsOther	2273000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	2590000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	2215000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Mortgage Servicing Rights DeferredTaxLiabilitiesMortgageServicingRights	2097000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Mortgage Servicing Rights DeferredTaxLiabilitiesMortgageServicingRights	2159000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	3908000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	5185000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Deferred Financing Costs DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts	20000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Deferred Financing Costs DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts	303000	USD
CY2013Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	14184000	USD
CY2012Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	21614000	USD
CY2013Q4	buse	Operating Loss Carryforwards Net OperatingLossCarryforwardsNet	23379000	USD
CY2012Q4	buse	Operating Loss Carryforwards Net OperatingLossCarryforwardsNet	35203000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	35642000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	39373000	USD
CY2012	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	100000	USD
CY2011	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	100000	USD
CY2012	buse	Employee Stock Ownership Plan Esop Number Of Shares Released Annually EmployeeStockOwnershipPlanESOPNumberOfSharesReleasedAnnually	20000	shares
CY2011	buse	Employee Stock Ownership Plan Esop Number Of Shares Released Annually EmployeeStockOwnershipPlanESOPNumberOfSharesReleasedAnnually	20000	shares
CY2012Q4	buse	Grandfathered Esop Number Of Allocated Shares GrandfatheredESOPNumberOfAllocatedShares	594504	shares
CY2013Q4	buse	Grandfathered Esop Number Of Allocated Shares GrandfatheredESOPNumberOfAllocatedShares	543471	shares
CY2012Q4	buse	Grandfathered Esop Fair Value Of Allocated Shares GrandfatheredESOPFairValueOfAllocatedShares	2800000	USD
CY2013Q4	buse	Grandfathered Esop Fair Value Of Allocated Shares GrandfatheredESOPFairValueOfAllocatedShares	3200000	USD
CY2013Q4	us-gaap	Employee Stock Ownership Plan Esop Number Of Allocated Shares EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares	192171	shares
CY2013	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	92233000	USD
CY2012Q4	us-gaap	Employee Stock Ownership Plan Esop Number Of Allocated Shares EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares	212146	shares
CY2013Q4	buse	Employee Stock Ownership Plan Esop Allocated Shares Fair Value EmployeeStockOwnershipPlanESOPAllocatedSharesFairValue	1115000	USD
CY2013	us-gaap	Noninterest Income NoninterestIncome	62583000	USD
CY2011Q4	us-gaap	Deferred Compensation Arrangement With Individual Recorded Liability DeferredCompensationArrangementWithIndividualRecordedLiability	4300000	USD
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	4000000	shares
CY2010Q2	buse	Share Based Compensation Arrangement By Share Based Payment Award Period From Effective Date After Which Awards Will Not Be Granted ShareBasedCompensationArrangementByShareBasedPaymentAwardPeriodFromEffectiveDateAfterWhichAwardsWillNotBeGranted	P10Y
CY2013	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P3Y1M6D
CY2013	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1100000	USD
CY2012Q4	buse	Employee Stock Ownership Plan Esop Allocated Shares Fair Value EmployeeStockOwnershipPlanESOPAllocatedSharesFairValue	986000	USD
CY2013	buse	Defined Contribution Plan Vesting Period DefinedContributionPlanVestingPeriod	P5Y
CY2013	buse	Employee Benefit Expense EmployeeBenefitExpense	2975000	USD
CY2012	buse	Employee Benefit Expense EmployeeBenefitExpense	3024000	USD
CY2011	buse	Employee Benefit Expense EmployeeBenefitExpense	2985000	USD
CY2012	us-gaap	Employee Stock Ownership Plan Esop Interest Payments From Esop EmployeeStockOwnershipPlanESOPInterestPaymentsFromESOP	5000	USD
CY2011	us-gaap	Employee Stock Ownership Plan Esop Interest Payments From Esop EmployeeStockOwnershipPlanESOPInterestPaymentsFromESOP	11000	USD
CY2013	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	2975000	USD
CY2012	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	3029000	USD
CY2011	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	2996000	USD
CY2013	us-gaap	Deferred Compensation Arrangement With Individual Compensation Expense DeferredCompensationArrangementWithIndividualCompensationExpense	200000	USD
CY2012	us-gaap	Deferred Compensation Arrangement With Individual Compensation Expense DeferredCompensationArrangementWithIndividualCompensationExpense	200000	USD
CY2011	us-gaap	Deferred Compensation Arrangement With Individual Compensation Expense DeferredCompensationArrangementWithIndividualCompensationExpense	200000	USD
CY2013Q4	us-gaap	Deferred Compensation Arrangement With Individual Recorded Liability DeferredCompensationArrangementWithIndividualRecordedLiability	4800000	USD
CY2012Q4	us-gaap	Deferred Compensation Arrangement With Individual Recorded Liability DeferredCompensationArrangementWithIndividualRecordedLiability	4500000	USD
CY2012	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1000000	USD
CY2013Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Share Based Awards Other Than Options EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions	2900000	USD
CY2012Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	29714000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	35642000	USD
CY2013	us-gaap	Loans And Leases Receivable Related Parties Additions LoansAndLeasesReceivableRelatedPartiesAdditions	24100000	USD
CY2013	us-gaap	Loans And Leases Receivable Related Parties Collections LoansAndLeasesReceivableRelatedPartiesCollections	23709000	USD
CY2013Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	30105000	USD
CY2013	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	1600000	USD
CY2012	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	2500000	USD
CY2011	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	3000000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	1274000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	711000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	112000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	4000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	2101000	USD
CY2013Q4	us-gaap	Goodwill Goodwill	20686000	USD
CY2013Q4	us-gaap	Assets Assets	3539575000	USD
CY2012Q4	us-gaap	Assets Assets	3618056000	USD
CY2013	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	108696000	USD
CY2012	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	116916000	USD
CY2011	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	132819000	USD
CY2013	us-gaap	Interest Expense InterestExpense	8631000	USD
CY2012	us-gaap	Interest Expense InterestExpense	14770000	USD
CY2011	us-gaap	Interest Expense InterestExpense	22426000	USD
CY2012	us-gaap	Noninterest Income NoninterestIncome	66852000	USD
CY2011	us-gaap	Noninterest Income NoninterestIncome	59015000	USD
CY2013	us-gaap	Net Income Loss NetIncomeLoss	28726000	USD
CY2012	us-gaap	Net Income Loss NetIncomeLoss	22357000	USD
CY2011	us-gaap	Net Income Loss NetIncomeLoss	29873000	USD
CY2013Q4	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	26885000	USD
CY2013Q4	us-gaap	Interest Expense InterestExpense	1881000	USD
CY2013Q4	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	25004000	USD
CY2013Q4	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	1500000	USD
CY2013Q4	us-gaap	Noninterest Income NoninterestIncome	14529000	USD
CY2013Q4	us-gaap	Noninterest Expense NoninterestExpense	27585000	USD
CY2013Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	10448000	USD
CY2013Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3528000	USD
CY2013Q4	us-gaap	Net Income Loss NetIncomeLoss	6920000	USD
CY2013Q4	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	908000	USD
CY2013Q4	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	6012000	USD
CY2013Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.07
CY2013Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.07
CY2013Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	27236000	USD
CY2013Q3	us-gaap	Interest Expense InterestExpense	2003000	USD
CY2013Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	25233000	USD
CY2013Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	2000000	USD
CY2013Q3	us-gaap	Noninterest Income NoninterestIncome	15630000	USD
CY2013Q3	us-gaap	Noninterest Expense NoninterestExpense	27358000	USD
CY2013Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	11505000	USD
CY2013Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3572000	USD
CY2013Q3	us-gaap	Net Income Loss NetIncomeLoss	7933000	USD
CY2013Q3	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	909000	USD
CY2013Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	7024000	USD
CY2013Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.08
CY2013Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.08
CY2013Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	27460000	USD
CY2013Q2	us-gaap	Interest Expense InterestExpense	2215000	USD
CY2013Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	25245000	USD
CY2013Q2	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	2000000	USD
CY2013Q2	us-gaap	Noninterest Income NoninterestIncome	15783000	USD
CY2013Q2	us-gaap	Noninterest Expense NoninterestExpense	27801000	USD
CY2013Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	11227000	USD
CY2013Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3787000	USD
CY2013Q2	us-gaap	Net Income Loss NetIncomeLoss	7440000	USD
CY2013Q2	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	908000	USD
CY2013Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	6532000	USD
CY2013Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.08
CY2013Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.08
CY2013Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	27115000	USD
CY2013Q1	us-gaap	Interest Expense InterestExpense	2532000	USD
CY2013Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	24583000	USD
CY2013Q1	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	2000000	USD
CY2013Q1	us-gaap	Noninterest Income NoninterestIncome	16641000	USD
CY2013Q1	us-gaap	Noninterest Expense NoninterestExpense	29567000	USD
CY2013Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	9657000	USD
CY2013Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3224000	USD
CY2013Q1	us-gaap	Net Income Loss NetIncomeLoss	6433000	USD
CY2013Q1	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	908000	USD
CY2013Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	5525000	USD
CY2013Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.06
CY2013Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.06
CY2012Q4	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	28584000	USD
CY2012Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2556000	USD
CY2012Q4	us-gaap	Net Income Loss NetIncomeLoss	4917000	USD
CY2012Q4	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	908000	USD
CY2012Q4	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	4009000	USD
CY2012Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.05
CY2012Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.05
CY2012Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	29011000	USD
CY2012Q3	us-gaap	Interest Expense InterestExpense	3466000	USD
CY2012Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	25545000	USD
CY2012Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	3500000	USD
CY2012Q3	us-gaap	Noninterest Income NoninterestIncome	15589000	USD
CY2012Q3	us-gaap	Noninterest Expense NoninterestExpense	30394000	USD
CY2012Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	7240000	USD
CY2012Q4	us-gaap	Interest Expense InterestExpense	2955000	USD
CY2012Q4	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	25629000	USD
CY2012Q4	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	3500000	USD
CY2012Q4	us-gaap	Noninterest Income NoninterestIncome	17613000	USD
CY2012Q4	us-gaap	Noninterest Expense NoninterestExpense	32269000	USD
CY2012Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	7473000	USD
CY2012Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2331000	USD
CY2012Q3	us-gaap	Net Income Loss NetIncomeLoss	4909000	USD
CY2012Q3	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	909000	USD
CY2012Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	4000000	USD
CY2012Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.05
CY2012Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.05
CY2012Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	29225000	USD
CY2012Q2	us-gaap	Interest Expense InterestExpense	3951000	USD
CY2012Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	25274000	USD
CY2012Q2	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	4500000	USD
CY2012Q2	us-gaap	Noninterest Income NoninterestIncome	15770000	USD
CY2012Q2	us-gaap	Noninterest Expense NoninterestExpense	29779000	USD
CY2012Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	6765000	USD
CY2012Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1877000	USD
CY2012Q2	us-gaap	Net Income Loss NetIncomeLoss	4888000	USD
CY2012Q2	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	908000	USD
CY2012Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	3980000	USD
CY2012Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.05
CY2012Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.05
CY2012Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	30096000	USD
CY2012Q1	us-gaap	Interest Expense InterestExpense	4398000	USD
CY2012Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	25698000	USD
CY2012Q1	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	5000000	USD
CY2012Q1	us-gaap	Noninterest Income NoninterestIncome	17880000	USD
CY2012Q1	us-gaap	Noninterest Expense NoninterestExpense	27202000	USD
CY2012Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	11376000	USD
CY2012Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3733000	USD
CY2012Q1	us-gaap	Net Income Loss NetIncomeLoss	7643000	USD
CY2012Q1	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	908000	USD
CY2012Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	6735000	USD
CY2012Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.08
CY2012Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.08
CY2013Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	231603000	USD
CY2013Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	9571000	USD
CY2013Q4	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	40674000	USD
CY2013Q4	us-gaap	Real Estate Acquired Through Foreclosure RealEstateAcquiredThroughForeclosure	2133000	USD
CY2013Q4	us-gaap	Other Assets OtherAssets	43562000	USD
CY2012Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	351255000	USD
CY2012Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	12703000	USD
CY2012Q4	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	39485000	USD
CY2012Q4	us-gaap	Real Estate Acquired Through Foreclosure RealEstateAcquiredThroughForeclosure	3450000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	39373000	USD
CY2012Q4	us-gaap	Other Assets OtherAssets	53442000	USD
CY2013Q4	us-gaap	Other Liabilities OtherLiabilities	27725000	USD
CY2013Q4	us-gaap	Liabilities Liabilities	3124211000	USD
CY2012Q4	us-gaap	Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust	55000000	USD
CY2012Q4	us-gaap	Other Liabilities OtherLiabilities	27943000	USD
CY2012Q4	us-gaap	Liabilities Liabilities	3209259000	USD
CY2012Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2013Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2013Q4	us-gaap	Preferred Stock Value PreferredStockValue	72664000	USD
CY2013Q4	us-gaap	Common Stock Value CommonStockValue	88000	USD
CY2013Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	593144000	USD
CY2013Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-225722000	USD
CY2013Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	4456000	USD
CY2013Q4	buse	Stockholders Equity Before Treasury Stock And Unearned Esop Shares StockholdersEquityBeforeTreasuryStockAndUnearnedESOPShares	444630000	USD
CY2013Q4	us-gaap	Treasury Stock Value TreasuryStockValue	29266000	USD
CY2013Q4	us-gaap	Stockholders Equity StockholdersEquity	415364000	USD
CY2013Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	3539575000	USD
CY2012Q4	us-gaap	Preferred Stock Value PreferredStockValue	72664000	USD
CY2012Q4	us-gaap	Common Stock Value CommonStockValue	88000	USD
CY2012Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	594411000	USD
CY2012Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-240321000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	13542000	USD
CY2012Q4	buse	Stockholders Equity Before Treasury Stock And Unearned Esop Shares StockholdersEquityBeforeTreasuryStockAndUnearnedESOPShares	440384000	USD
CY2012Q4	us-gaap	Treasury Stock Value TreasuryStockValue	31587000	USD
CY2012Q4	us-gaap	Stockholders Equity StockholdersEquity	408797000	USD
CY2012Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	3618056000	USD
CY2013Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	118225000	USD
CY2012Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	235428000	USD
CY2013Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.001
CY2012Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.001
CY2013Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	72664	shares
CY2012Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	72664	shares
CY2013Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	72664	shares
CY2013Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	72664	shares
CY2012Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	72664	shares
CY2012Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	72664	shares
CY2013Q4	us-gaap	Preferred Stock Liquidation Preference PreferredStockLiquidationPreference	1000.00
CY2012Q4	us-gaap	Preferred Stock Liquidation Preference PreferredStockLiquidationPreference	1000.00
CY2013Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2012Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2013Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	200000000	shares
CY2012Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	200000000	shares
CY2013Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	88287132	shares
CY2012Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	88287132	shares
CY2013	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	12570000	USD
CY2013	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	3893000	USD
CY2013	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	7500000	USD
CY2013	us-gaap	Interest Expense Deposits InterestExpenseDeposits	7099000	USD
CY2013	us-gaap	Interest Expense Securities Sold Under Agreements To Repurchase InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase	186000	USD
CY2013	us-gaap	Interest Expense Short Term Borrowings Excluding Federal Funds And Securities Sold Under Agreements To Repurchase InterestExpenseShortTermBorrowingsExcludingFederalFundsAndSecuritiesSoldUnderAgreementsToRepurchase	15000	USD
CY2013	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	125000	USD
CY2013	us-gaap	Interest Expense Junior Subordinated Debentures InterestExpenseJuniorSubordinatedDebentures	1206000	USD
CY2013	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	100065000	USD
CY2013	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	92565000	USD
CY2012	us-gaap	Interest Expense Deposits InterestExpenseDeposits	12496000	USD
CY2013	us-gaap	Fees And Commissions Fiduciary And Trust Activities FeesAndCommissionsFiduciaryAndTrustActivities	18521000	USD
CY2013	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	2416000	USD
CY2013	buse	Remittance Processing RemittanceProcessing	8354000	USD
CY2013	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	11947000	USD
CY2013	us-gaap	Fees And Commissions Other FeesAndCommissionsOther	5961000	USD
CY2013	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	10227000	USD
CY2013	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	553000	USD
CY2013	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	4604000	USD
CY2013	us-gaap	Salaries Wages And Officers Compensation SalariesWagesAndOfficersCompensation	52891000	USD
CY2013	us-gaap	Employee Benefits And Share Based Compensation EmployeeBenefitsAndShareBasedCompensation	10922000	USD
CY2013	us-gaap	Occupancy Net OccupancyNet	8489000	USD
CY2013	us-gaap	Equipment Expense EquipmentExpense	4848000	USD
CY2013	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	10465000	USD
CY2013	buse	Regulatory Expense RegulatoryExpense	2290000	USD
CY2013	buse	Other Real Estate Owned Expense OtherRealEstateOwnedExpense	503000	USD
CY2013	us-gaap	Other Noninterest Expense OtherNoninterestExpense	18771000	USD
CY2013	us-gaap	Noninterest Expense NoninterestExpense	112311000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	42837000	USD
CY2012	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	98614000	USD
CY2012	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	14626000	USD
CY2012	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	3676000	USD
CY2012	us-gaap	Interest Expense Securities Sold Under Agreements To Repurchase InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase	279000	USD
CY2012	us-gaap	Interest Expense Short Term Borrowings Excluding Federal Funds And Securities Sold Under Agreements To Repurchase InterestExpenseShortTermBorrowingsExcludingFederalFundsAndSecuritiesSoldUnderAgreementsToRepurchase	35000	USD
CY2012	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	648000	USD
CY2012	us-gaap	Interest Expense Junior Subordinated Debentures InterestExpenseJuniorSubordinatedDebentures	1312000	USD
CY2012	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	102146000	USD
CY2012	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	16500000	USD
CY2012	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	85646000	USD
CY2012	us-gaap	Fees And Commissions Fiduciary And Trust Activities FeesAndCommissionsFiduciaryAndTrustActivities	17592000	USD
CY2012	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	2102000	USD
CY2012	buse	Remittance Processing RemittanceProcessing	8426000	USD
CY2012	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	11646000	USD
CY2012	us-gaap	Fees And Commissions Other FeesAndCommissionsOther	5717000	USD
CY2012	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	12535000	USD
CY2012	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	1597000	USD
CY2012	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	7237000	USD
CY2012	us-gaap	Salaries Wages And Officers Compensation SalariesWagesAndOfficersCompensation	53668000	USD
CY2012	us-gaap	Employee Benefits And Share Based Compensation EmployeeBenefitsAndShareBasedCompensation	11124000	USD
CY2012	us-gaap	Occupancy Net OccupancyNet	8899000	USD
CY2012	us-gaap	Equipment Expense EquipmentExpense	5146000	USD
CY2012	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	11061000	USD
CY2012	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3315000	USD
CY2012	buse	Regulatory Expense RegulatoryExpense	2543000	USD
CY2012	buse	Other Real Estate Owned Expense OtherRealEstateOwnedExpense	1303000	USD
CY2012	us-gaap	Other Noninterest Expense OtherNoninterestExpense	22585000	USD
CY2012	us-gaap	Noninterest Expense NoninterestExpense	119644000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	32854000	USD
CY2011	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	114791000	USD
CY2011	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	15192000	USD
CY2011	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	2836000	USD
CY2011	us-gaap	Interest Expense Deposits InterestExpenseDeposits	18660000	USD
CY2011	us-gaap	Interest Expense Securities Sold Under Agreements To Repurchase InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase	367000	USD
CY2011	us-gaap	Interest Expense Short Term Borrowings Excluding Federal Funds And Securities Sold Under Agreements To Repurchase InterestExpenseShortTermBorrowingsExcludingFederalFundsAndSecuritiesSoldUnderAgreementsToRepurchase	38000	USD
CY2011	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	1442000	USD
CY2011	us-gaap	Interest Expense Junior Subordinated Debentures InterestExpenseJuniorSubordinatedDebentures	1919000	USD
CY2011	buse	Regulatory Expense RegulatoryExpense	4109000	USD
CY2011	buse	Other Real Estate Owned Expense OtherRealEstateOwnedExpense	1192000	USD
CY2011	us-gaap	Other Noninterest Expense OtherNoninterestExpense	19677000	USD
CY2011	us-gaap	Noninterest Expense NoninterestExpense	104565000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	44843000	USD
CY2011	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	110393000	USD
CY2011	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	20000000	USD
CY2011	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	90393000	USD
CY2011	us-gaap	Fees And Commissions Fiduciary And Trust Activities FeesAndCommissionsFiduciaryAndTrustActivities	15657000	USD
CY2011	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	1858000	USD
CY2011	buse	Remittance Processing RemittanceProcessing	9196000	USD
CY2011	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	12616000	USD
CY2011	us-gaap	Fees And Commissions Other FeesAndCommissionsOther	5298000	USD
CY2011	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	10945000	USD
CY2011	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	170000	USD
CY2011	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	3275000	USD
CY2011	us-gaap	Salaries Wages And Officers Compensation SalariesWagesAndOfficersCompensation	43344000	USD
CY2011	us-gaap	Employee Benefits And Share Based Compensation EmployeeBenefitsAndShareBasedCompensation	9896000	USD
CY2011	us-gaap	Occupancy Net OccupancyNet	8897000	USD
CY2011	us-gaap	Equipment Expense EquipmentExpense	5277000	USD
CY2011	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	8635000	USD
CY2011	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3538000	USD
CY2013	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	83718000	USD
CY2013	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-14892000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	553000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-15445000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-6359000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-9086000	USD
CY2013	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	19640000	USD
CY2012	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	2307000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	1597000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	710000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	292000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	418000	USD
CY2012	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	22775000	USD
CY2011	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	7490000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	170000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	7320000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	3228000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	4092000	USD
CY2011	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	33965000	USD
CY2013	us-gaap	Share Based Compensation ShareBasedCompensation	1079000	USD
CY2013	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	8598000	USD
CY2013	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	533000	USD
CY2013	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-8744000	USD
CY2013	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1189000	USD
CY2013	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	260000	USD
CY2013	us-gaap	Increase Decrease In Deferred Compensation IncreaseDecreaseInDeferredCompensation	-49000	USD
CY2013	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-9880000	USD
CY2013	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-63000	USD
CY2013	buse	Net Cash Provided By Used In Operating Activities Before Loan Originations And Sales NetCashProvidedByUsedInOperatingActivitiesBeforeLoanOriginationsAndSales	61763000	USD
CY2013	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	450226000	USD
CY2013	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	486616000	USD
CY2013	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	98153000	USD
CY2013	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	258366000	USD
CY2013	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2549000	USD
CY2013	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	2856000	USD
CY2013	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	3645000	USD
CY2013	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-118698000	USD
CY2013	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	-108828000	USD
CY2013	buse	Increase Decrease In Demand Deposits And Saving Deposits IncreaseDecreaseInDemandDepositsAndSavingDeposits	-2326000	USD
CY2013	us-gaap	Increase Decrease In Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Net IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet	33324000	USD
CY2013	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	7000000	USD
CY2013	us-gaap	Payments Of Dividends PaymentsOfDividends	14040000	USD
CY2013	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-99107000	USD
CY2013	us-gaap	Net Cash Provided By Used In Continuing Operations NetCashProvidedByUsedInContinuingOperations	-119652000	USD
CY2012	us-gaap	Share Based Compensation ShareBasedCompensation	991000	USD
CY2012	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	8759000	USD
CY2012	us-gaap	Asset Impairment Charges AssetImpairmentCharges	1421000	USD
CY2012	buse	Fair Value Adjustment On Employee Stock Option Plan Allocated FairValueAdjustmentOnEmployeeStockOptionPlanAllocated	-322000	USD
CY2012	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-9730000	USD
CY2012	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1603000	USD
CY2012	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	274000	USD
CY2012	us-gaap	Increase Decrease In Deferred Compensation IncreaseDecreaseInDeferredCompensation	-70000	USD
CY2012	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-8368000	USD
CY2012	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	992000	USD
CY2012	buse	Net Cash Provided By Used In Operating Activities Before Loan Originations And Sales NetCashProvidedByUsedInOperatingActivitiesBeforeLoanOriginationsAndSales	61288000	USD
CY2012	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	576862000	USD
CY2012	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	564643000	USD
CY2012	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	49069000	USD
CY2012	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	33680000	USD
CY2012	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	8611000	USD
CY2012	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	77000	USD
CY2012	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	14950000	USD
CY2012	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-204435000	USD
CY2012	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	-116287000	USD
CY2012	buse	Increase Decrease In Demand Deposits And Saving Deposits IncreaseDecreaseInDemandDepositsAndSavingDeposits	333125000	USD
CY2012	us-gaap	Increase Decrease In Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Net IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet	11157000	USD
CY2012	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	12000000	USD
CY2012	us-gaap	Payments Of Dividends PaymentsOfDividends	24427000	USD
CY2012	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	191568000	USD
CY2012	us-gaap	Net Cash Provided By Used In Continuing Operations NetCashProvidedByUsedInContinuingOperations	36202000	USD
CY2013	us-gaap	Interest Paid Net InterestPaidNet	9086000	USD
CY2013	us-gaap	Income Taxes Paid IncomeTaxesPaid	4749000	USD
CY2012	us-gaap	Interest Paid Net InterestPaidNet	15523000	USD
CY2012	us-gaap	Income Taxes Paid IncomeTaxesPaid	1045000	USD
CY2013	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	2068000	USD
CY2011	us-gaap	Share Based Compensation ShareBasedCompensation	488000	USD
CY2011	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	9063000	USD
CY2011	buse	Fair Value Adjustment On Employee Stock Option Plan Allocated FairValueAdjustmentOnEmployeeStockOptionPlanAllocated	-318000	USD
CY2011	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-6625000	USD
CY2011	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	457000	USD
CY2011	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	197000	USD
CY2011	us-gaap	Increase Decrease In Deferred Compensation IncreaseDecreaseInDeferredCompensation	48000	USD
CY2011	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-7745000	USD
CY2011	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-4033000	USD
CY2011	buse	Net Cash Provided By Used In Operating Activities Before Loan Originations And Sales NetCashProvidedByUsedInOperatingActivitiesBeforeLoanOriginationsAndSales	70498000	USD
CY2011	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	521970000	USD
CY2011	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	567350000	USD
CY2011	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	115878000	USD
CY2011	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	-233901000	USD
CY2011	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2748000	USD
CY2011	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	1043000	USD
CY2011	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	14831000	USD
CY2011	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	13241000	USD
CY2011	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	-202709000	USD
CY2011	buse	Increase Decrease In Demand Deposits And Saving Deposits IncreaseDecreaseInDemandDepositsAndSavingDeposits	49797000	USD
CY2011	us-gaap	Increase Decrease In Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Net IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet	-11115000	USD
CY2011	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	23325000	USD
CY2011	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	100000000	USD
CY2011	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	72664000	USD
CY2011	us-gaap	Payments Of Dividends PaymentsOfDividends	18343000	USD
CY2011	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-233031000	USD
CY2011	us-gaap	Net Cash Provided By Used In Continuing Operations NetCashProvidedByUsedInContinuingOperations	-103912000	USD
CY2011	us-gaap	Interest Paid Net InterestPaidNet	23953000	USD
CY2011	us-gaap	Income Taxes Paid IncomeTaxesPaid	2756000	USD
CY2011	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	13926000	USD
CY2011	us-gaap	Conversion Of Stock Amount Issued1 ConversionOfStockAmountIssued1	31862000	USD
CY2011	buse	Employee Stock Ownership Plan Shares Allocated EmployeeStockOwnershipPlanSharesAllocated	417000	USD
CY2011	us-gaap	Transfer Of Investments TransferOfInvestments	2361000	USD
CY2012	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	9674000	USD
CY2012	buse	Employee Stock Ownership Plan Shares Allocated EmployeeStockOwnershipPlanSharesAllocated	417000	USD
CY2013Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	231603000	USD
CY2012Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	351255000	USD
CY2011Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	315053000	USD
CY2010Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	418965000	USD
CY2011	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	100000000	USD
CY2011	buse	Stock Issued During Period Preferred Stock Value New Issues StockIssuedDuringPeriodPreferredStockValueNewIssues	72664000	USD
CY2011	buse	Stock Issued During Period Value Equity Instruments Other Than Options Vested And Related Tax Benefit StockIssuedDuringPeriodValueEquityInstrumentsOtherThanOptionsVestedAndRelatedTaxBenefit	18000	USD
CY2011	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	13555000	USD
CY2011	buse	Common Stock Dividends Restricted Stock Declared CommonStockDividendsRestrictedStockDeclared	-15000	USD
CY2011	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	488000	USD
CY2011	us-gaap	Dividends Preferred Stock DividendsPreferredStock	4932000	USD
CY2011	us-gaap	Stock Issued During Period Value Employee Stock Ownership Plan StockIssuedDuringPeriodValueEmployeeStockOwnershipPlan	99000	USD
CY2012	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	109000	USD
CY2012	buse	Stock Issued During Period Value Equity Instruments Other Than Options Vested And Related Tax Benefit StockIssuedDuringPeriodValueEquityInstrumentsOtherThanOptionsVestedAndRelatedTaxBenefit	-13000	USD
CY2012	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	20794000	USD
CY2012	us-gaap	Stock Issued During Period Value Employee Stock Ownership Plan StockIssuedDuringPeriodValueEmployeeStockOwnershipPlan	95000	USD
CY2012	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	991000	USD
CY2012	us-gaap	Dividends Preferred Stock DividendsPreferredStock	3633000	USD
CY2013	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	106000	USD
CY2013	buse	Stock Issued During Period Value Equity Instruments Other Than Options Vested And Related Tax Benefit StockIssuedDuringPeriodValueEquityInstrumentsOtherThanOptionsVestedAndRelatedTaxBenefit	-218000	USD
CY2013	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	10407000	USD
CY2013	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	1079000	USD
CY2013	us-gaap	Dividends Preferred Stock DividendsPreferredStock	3633000	USD
CY2011Q4	us-gaap	Stockholders Equity StockholdersEquity	409267000	USD
CY2010Q4	us-gaap	Stockholders Equity StockholdersEquity	420505000	USD
CY2011	buse	Stock Issued During Period Shares Conversion Of Preferred Stock StockIssuedDuringPeriodSharesConversionOfPreferredStock	318.6225	shares
CY2011	us-gaap	Stock Issued During Period Shares Conversion Of Convertible Securities StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities	7497000	shares
CY2011	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	100000	shares
CY2011	buse	Stock Issued During Period Shares Preferred Stock New Issues StockIssuedDuringPeriodSharesPreferredStockNewIssues	72664	shares
CY2012	buse	Stock Issued Under Employee Stock Purchase Plan During Period Shares StockIssuedUnderEmployeeStockPurchasePlanDuringPeriodShares	23640	shares
CY2013	buse	Stock Issued Under Employee Stock Purchase Plan During Period Shares StockIssuedUnderEmployeeStockPurchasePlanDuringPeriodShares	22493	shares
CY2012Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	1616282	shares
CY2013	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	3633000	USD
CY2012	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	3633000	USD
CY2011	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.16
CY2011	buse	Common Stock Dividends Per Restricted Stock Share Declared CommonStockDividendsPerRestrictedStockShareDeclared	0.16
CY2012	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.24
CY2013	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.12
CY2012	buse	Common Stock Dividends Per Restricted Stock Share Declared CommonStockDividendsPerRestrictedStockShareDeclared	0.24
CY2013	buse	Common Stock Dividends Per Restricted Stock Share Declared CommonStockDividendsPerRestrictedStockShareDeclared	0.12
CY2012	buse	Impaired Financing Receivable Sold ImpairedFinancingReceivableSold	22100000	USD
CY2013	buse	Impaired Financing Receivable Sold ImpairedFinancingReceivableSold	7600000	USD
CY2011	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	1000000	USD
CY2013Q4	buse	Allowance For Loan And Lease Losses Period Increase Decrease Due To Qualitative Factors AllowanceForLoanAndLeaseLossesPeriodIncreaseDecreaseDueToQualitativeFactors	5000000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	0	USD
CY2011	buse	Stock Issued During Period Shares Equity Instruments Other Than Options Vested And Related Tax Benefit StockIssuedDuringPeriodSharesEquityInstrumentsOtherThanOptionsVestedAndRelatedTaxBenefit	3879	shares
CY2012	buse	Stock Issued During Period Shares Equity Instruments Other Than Options Vested And Related Tax Benefit StockIssuedDuringPeriodSharesEquityInstrumentsOtherThanOptionsVestedAndRelatedTaxBenefit	6804	shares
CY2013	buse	Stock Issued During Period Shares Equity Instruments Other Than Options Vested And Related Tax Benefit StockIssuedDuringPeriodSharesEquityInstrumentsOtherThanOptionsVestedAndRelatedTaxBenefit	111012	shares
CY2011	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	5342000	USD
CY2012	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	454538000	USD
CY2011	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	374297000	USD
CY2013	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	16365000	USD
CY2012	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	59570000	USD
CY2011	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	12754000	USD
CY2013	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	203908000	USD
CY2012	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	217797000	USD
CY2011	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	127757000	USD
CY2013Q4	us-gaap	Employee Stock Ownership Plan Esop Debt Structure Direct Loan Amount EmployeeStockOwnershipPlanESOPDebtStructureDirectLoanAmount	0	USD
CY2012Q4	us-gaap	Employee Stock Ownership Plan Esop Debt Structure Direct Loan Amount EmployeeStockOwnershipPlanESOPDebtStructureDirectLoanAmount	0	USD
CY2013Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	0	USD
CY2012Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	0	USD
CY2013	buse	Fair Value Assets And Liabilities Transfers Between Levels Amount FairValueAssetsAndLiabilitiesTransfersBetweenLevelsAmount	0	USD
CY2012	us-gaap	Goodwill Period Increase Decrease GoodwillPeriodIncreaseDecrease	0	USD
CY2013	us-gaap	Held To Maturity Securities Unrecognized Holding Losses HeldToMaturitySecuritiesUnrecognizedHoldingLosses	4000	USD
CY2013Q4	buse	Loss Contingency Liability For Potential Obligations Under Guarantees LossContingencyLiabilityForPotentialObligationsUnderGuarantees	0	USD
CY2012Q4	buse	Loss Contingency Liability For Potential Obligations Under Guarantees LossContingencyLiabilityForPotentialObligationsUnderGuarantees	0	USD
CY2013Q4	us-gaap	Derivative Number Of Instruments Held DerivativeNumberOfInstrumentsHeld	0	item
CY2013	buse	Deferred Income Tax Expense Benefit And Deductible Compensation In Excess Of Financial Reporting Cost DeferredIncomeTaxExpenseBenefitAndDeductibleCompensationInExcessOfFinancialReportingCost	10110000	USD
CY2013Q4	buse	Interest Bearing Deposit Liabilities On Transactions InterestBearingDepositLiabilitiesOnTransactions	61384000	USD
CY2012Q4	buse	Interest Bearing Deposit Liabilities On Transactions InterestBearingDepositLiabilitiesOnTransactions	66295000	USD
CY2013	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	237000	USD
CY2012	buse	Deferred Income Tax Expense Benefit And Deductible Compensation In Excess Of Financial Reporting Cost DeferredIncomeTaxExpenseBenefitAndDeductibleCompensationInExcessOfFinancialReportingCost	8571000	USD
CY2011	buse	Deferred Income Tax Expense Benefit And Deductible Compensation In Excess Of Financial Reporting Cost DeferredIncomeTaxExpenseBenefitAndDeductibleCompensationInExcessOfFinancialReportingCost	12776000	USD
CY2013	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	839000	USD

Files In Submission

Name	View Source	Status
0001104659-14-018391-index-headers.html	Edgar Link	pending
0001104659-14-018391-index.html	Edgar Link	pending
0001104659-14-018391.txt	Edgar Link	pending
0001104659-14-018391-xbrl.zip	Edgar Link	pending
a14-1109_110k.htm	Edgar Link	pending
a14-1109_1ex21d1.htm	Edgar Link	pending
a14-1109_1ex23d1.htm	Edgar Link	pending
a14-1109_1ex31d1.htm	Edgar Link	pending
a14-1109_1ex31d2.htm	Edgar Link	pending
a14-1109_1ex32d1.htm	Edgar Link	pending
a14-1109_1ex32d2.htm	Edgar Link	pending
buse-20131231.xml	Edgar Link	completed
buse-20131231.xsd	Edgar Link	pending
buse-20131231_cal.xml	Edgar Link	unprocessable
buse-20131231_def.xml	Edgar Link	unprocessable
buse-20131231_lab.xml	Edgar Link	unprocessable
buse-20131231_pre.xml	Edgar Link	unprocessable
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xls	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
g11091boi001.jpg	Edgar Link	pending
R1.htm	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$BUSE
FIRST BUSEY CORP /NV/ Stock $buse

2013 Q4 Form 10-K Financial Statement

#000110465914018391 Filed on March 11, 2014

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$BUSE FIRST BUSEY CORP /NV/ Stock $buse

2013 Q4 Form 10-K Financial Statement

#000110465914018391 Filed on March 11, 2014

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$BUSE
FIRST BUSEY CORP /NV/ Stock $buse