XML 75 R63.htm IDEA: XBRL DOCUMENT v3.7.0.1
Disclosures About Fair Value of Financial Instruments - Narrative (Detail) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2017
Dec. 31, 2016
Sep. 30, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Loans held for sale, average life from purchase to sale 20 days    
Assets held for sale $ 67,796 $ 79,271  
Transaction deposits held for sale $ 453,441 456,795  
Five-year Senior Unsecured Notes      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Issuance of senior unsecured notes     $ 63,000
Unsecured Debt | Five-year Senior Unsecured Notes      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Senior unsecured notes term 5 years    
Quoted Prices in Active Markets for Identical Assets (Level 1)      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Transaction deposits held for sale $ 453,441 456,795  
Quoted Prices in Active Markets for Identical Assets (Level 1) | Cash and Cash Equivalents      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Fair value of assets held for sale 11,600    
Significant Unobservable Inputs (Level 3)      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Transaction deposits held for sale 0 $ 0  
Significant Unobservable Inputs (Level 3) | Loans Receivable      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Fair value of assets held for sale $ 1,900