XML 161 R131.htm IDEA: XBRL DOCUMENT v3.8.0.1
FAIR VALUE MEASUREMENTS - Narrative (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2017
USD ($)
security
transfer
Dec. 31, 2016
USD ($)
transfer
Dec. 31, 2015
transfer
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Number of transfers from Level 3 to Level 2 | transfer   1  
Value of transfer from Level 3 to Level 2   $ 708  
Junior subordinated debentures re-price period 90 days    
Origination of loans held for sale $ 2,400,000    
Sales of loans originated as held for sale 2,300,000    
Loans Held for Sale      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Gain (losses) in fair value of loans held for sale included in earnings $ 2,100 $ 2,200  
Trading Security      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Number of securities in the portfolio (security) | security 1    
Recurring      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Number of transfers from Level 3 to Level 2 | transfer 0   0