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Deposits - Additional Information (Detail) - USD ($) $ in Millions | Dec. 31, 2016 | Dec. 31, 2015
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Banking and Thrift [Abstract] |  |
Accrued interest payable on deposits | $ 2.6 | $ 3.2
Total deposits reclassified to loans due to overdrafts | $ 1.2 | $ 1.8

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- Definition Amount of accrued but unpaid interest on deposit liabilities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15(5)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Amount of deposits held by the entity that have been reclassified as loan balances receivable, for example, but not limited to, overdrafts receivable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 405 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=50488274&loc=d3e64164-112818 + Details
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