XML 100 R49.htm IDEA: XBRL DOCUMENT v2.4.0.8
Summary of Significant Accounting and Reporting Policies (Details) (USD $)
3 Months Ended 9 Months Ended 9 Months Ended 0 Months Ended 3 Months Ended 9 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2013
Sep. 30, 2014
item
Sep. 30, 2014
SWS
Sep. 30, 2014
Plains Capital
Sep. 30, 2014
Bank
Sep. 13, 2013
Bank
FNB
Dec. 31, 2013
Bank
FNB
Sep. 30, 2013
Bank
FNB
Sep. 30, 2013
Bank
FNB
Sep. 13, 2013
Bank
FNB
Covered loans
Sep. 13, 2013
Bank
FNB
Non-covered loans
Sep. 30, 2014
Plains Capital Equity, LLC
Sep. 30, 2014
PrimeLending
Sep. 30, 2014
PCB-ARC, Inc.
Sep. 30, 2014
FSC
Sep. 30, 2014
PlainsCapital Securities, LLC
Sep. 30, 2014
NLC
Sep. 30, 2014
PrimeLending Ventures Management, LLC
Sep. 30, 2014
Trusts
Sep. 30, 2014
RGV-ARC, Inc
Basis of Presentation                                          
Number of primary operating business units     2                                    
Fair value of assets acquired             $ 2,200,000,000                            
Loans                     1,100,000,000 42,900,000                  
Securities             286,200,000                            
Other real estate owned                     135,200,000                    
Assumed liabilities             2,200,000,000                            
Number of shares of acquiree that stockholders received for each share of common stock owned       0.2496                                  
Cash consideration per share of the merged entity (in dollars per share)       $ 1.94                                  
Acquisition price (in dollars per share)       $ 6.94                                  
Bargain purchase gain 12,585,000 12,585,000         3,300,000 12,600,000                          
Income taxes on bargain purchase gain             1,200,000 4,500,000                          
Net income resulting from adjustments to preliminary fair values of the transaction                 $ 6,300,000 $ 6,300,000                      
Ownership percentage of subsidiary owned by the reporting entity         100.00%                         100.00%      
Ownership percentage of subsidiary owned by subsidiary of the reporting entity           100.00%             100.00% 100.00% 100.00% 100.00% 100.00%   100.00% 100.00% 100.00%