Quarterly report pursuant to Section 13 or 15(d)

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

v3.3.0.814
Sale of Insurance Subsidiaries and Discontinued Operations - Additional Information (Detail)
$ / shares in Units, $ in Thousands
 1 Months Ended 3 Months Ended 9 Months Ended
Jun. 30, 2014
USD ($)
Subsidiary
Installment
Jun. 30, 2014
USD ($)
Subsidiary
Sep. 30, 2015
USD ($)
Sep. 30, 2014
USD ($)
$ / shares
Jun. 30, 2014
USD ($)
$ / shares
Sep. 30, 2015
USD ($)
Sep. 30, 2014
USD ($)
$ / shares
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Net loss from discontinued operations     $ 0 $ 0   $ 0 $ 444
Loss from discontinued operation per diluted share (in usd per share) | $ / shares       $ (0.00)     $ 0.01
Noninterest income     13,561 $ 21,611   35,544 $ 33,314
Noninterest expense     $ 28,722 $ 25,482   $ 87,139 61,766
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]              
Number of subsidiaries sold | Subsidiary 2 2          
Total assets $ 5,636 $ 5,636     $ 5,636    
Net assets of discontinued operations 3,343 3,343     3,343    
Total sale price 3,500 3,500     3,500    
Sale consideration received 2,000            
Consideration due $ 1,500 $ 1,500     1,500    
Number of installments payable | Installment 3            
Gain on sale $ 51            
Capital gain tax 470            
Operating loss 14           14
Income tax expense $ 11            
Net loss from discontinued operations         $ 444   444
Loss from discontinued operation per diluted share (in usd per share) | $ / shares         $ 0.01    
Noninterest income             2,700
Noninterest expense             $ 2,700