Quarterly report pursuant to Section 13 or 15(d)

Sale of Insurance Subsidiaries and Discontinued Operations - Summarized Financial Information of Discontinued Operations (Detail)

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Sale of Insurance Subsidiaries and Discontinued Operations - Summarized Financial Information of Discontinued Operations (Detail) - USD ($)
$ in Thousands
 1 Months Ended 3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
(Loss) income before taxes   $ 0 $ (1) $ 0 $ 37
Provision for income taxes   0 466 0 481
Loss from discontinued operations, net of taxes   $ 0 (467) $ 0 (444)
Discontinued Operations, Disposed of by Sale [Member] | Chun Ha and All World To Chunha Holdings Corporation [Member]          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Cash and cash equivalents $ 1,602   1,602   1,602
Premises and equipment, net 90   90   90
Other intangible assets, net 1,089   1,089   1,089
Other assets 2,855   2,855   2,855
Total assets 5,636   5,636   5,636
Income tax payable 415   415   415
Accrued expenses and other liabilities 1,878   1,878   1,878
Total liabilities 2,293   2,293   2,293
Net assets of discontinued operations 3,343   3,343   3,343
Noninterest loss $ (14)   (52)   (14)
Gain on disposal     51   51
(Loss) income before taxes     (1)   37
Provision for income taxes     466   481
Loss from discontinued operations, net of taxes     $ (467)   $ (444)