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Bank segment - Troubled debt restructuring that subsequently defaulted (Details) - Jun. 30, 2014
$ in Thousands
USD ($)
contract
USD ($)
contract
Financing Receivable, Modifications [Line Items]    
Number of contracts | contract 1 1
Recorded investment $ 390 $ 390
Residential 1-4 family    
Financing Receivable, Modifications [Line Items]    
Number of contracts | contract 1 1
Recorded investment $ 390 $ 390