2.4.0.8003090 - Disclosure - Off Balance Sheet Risk (Tables)truefalsefalse1false falsefalseFROM_Jan01_2013_TO_Jun30_2013http://www.sec.gov/CIK0001210227duration2013-01-01T00:00:002013-06-30T00:00:001true 1bncn_OffBalanceSheetRisk2Abstractbncn_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Off-Balance Sheet Risk2 [Abstract]2false 2us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div><table style="border-collapse:collapse;margin-top:20px;"><tr style="height: 34px"><td colspan="6" style="width: 672px; text-align:left;border-color:#000000;min-width:672px;">At June 30, 2013 and December 31, 2012, the outstanding off-balance sheet financial instruments whose contract amounts represent potential credit risk are as follows (dollars in thousands):</td></tr><tr style="height: 17px"><td style="width: 443px; text-align:left;border-color:#000000;min-width:443px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 96px; text-align:left;border-color:#000000;min-width:96px;"> </td><td style="width: 19px; text-align:left;border-color:#000000;min-width:19px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 96px; text-align:left;border-color:#000000;min-width:96px;"> </td></tr><tr style="height: 15px"><td style="width: 443px; text-align:left;border-color:#000000;min-width:443px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 96px; text-align:left;border-color:#000000;min-width:96px;"> </td><td style="width: 19px; text-align:left;border-color:#000000;min-width:19px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 96px; text-align:left;border-color:#000000;min-width:96px;"> </td></tr><tr style="height: 15px"><td style="width: 443px; text-align:left;border-color:#000000;min-width:443px;"> </td><td colspan="2" style="width: 105px; text-align:center;border-color:#000000;min-width:105px;">June 30,</td><td style="width: 19px; text-align:left;border-color:#000000;min-width:19px;"> </td><td colspan="2" style="width: 105px; text-align:center;border-color:#000000;min-width:105px;">December 31,</td></tr><tr style="height: 15px"><td style="width: 443px; text-align:left;border-color:#000000;min-width:443px;"> </td><td colspan="2" style="width: 105px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:105px;">2013</td><td style="width: 19px; text-align:left;border-color:#000000;min-width:19px;"> </td><td colspan="2" style="width: 105px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:105px;">2012</td></tr><tr style="height: 15px"><td style="width: 443px; text-align:left;border-color:#000000;min-width:443px;">Commitments under unfunded loans and lines of credit</td><td style="width: 9px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:9px;">$</td><td style="width: 96px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:96px;"> 219,884</td><td style="width: 19px; text-align:left;border-color:#000000;min-width:19px;"> </td><td style="width: 9px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:9px;">$</td><td style="width: 96px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:96px;"> 272,308</td></tr><tr style="height: 15px"><td style="width: 443px; text-align:left;border-color:#000000;min-width:443px;">Letters of credit</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 96px; text-align:right;border-color:#000000;min-width:96px;"> 6,732</td><td style="width: 19px; text-align:left;border-color:#000000;min-width:19px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 96px; text-align:right;border-color:#000000;min-width:96px;"> 12,172</td></tr><tr style="height: 15px"><td style="width: 443px; text-align:left;border-color:#000000;min-width:443px;">Unused credit card lines</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 96px; text-align:right;border-color:#000000;min-width:96px;"> 4,356</td><td style="width: 19px; text-align:left;border-color:#000000;min-width:19px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 96px; text-align:right;border-color:#000000;min-width:96px;"> 4,536</td></tr><tr style="height: 15px"><td style="width: 443px; text-align:left;border-color:#000000;min-width:443px;">Commitments to sell loans held for sale</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 96px; text-align:right;border-color:#000000;min-width:96px;"> 39,954</td><td style="width: 19px; text-align:left;border-color:#000000;min-width:19px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 96px; text-align:right;border-color:#000000;min-width:96px;"> 57,414</td></tr></table></div>falsefalsefalsenonnum:textBlockItemTypenaTabular disclosure of the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined) which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13467-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13433-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. 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This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 159 -Paragraph 7 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. false0Schedule of Fair Value Off Balance Sheet RisksfalseOff Balance Sheet Risk (Tables)UnKnownUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.test2012TX.com/role/OffBalanceSheetRiskTables12