XML 37 R63.htm IDEA: XBRL DOCUMENT v3.20.1
LOANS AND ALLOWANCE FOR CREDIT LOSSES - Allowance for Loan Losses (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Mar. 31, 2019
Financing Receivable, Allowance for Credit Loss [Roll Forward]      
Balance at beginning of period $ 57,649    
Provision for (reversal of) credit losses 15,761 $ (2,976) $ 2,098
Balance at end of period 78,243 57,649  
Loans      
Financing Receivable, Allowance for Credit Loss [Roll Forward]      
Balance at beginning of period 61,713   66,814
Loans charged off (2,076)   (1,063)
Recoveries of loans previously charged off 350   244
Net (charge-offs) recoveries (1,726)   (819)
Provision for (reversal of) credit losses 15,761   2,098
Balance at end of period 82,131 61,713 68,093
Unfunded Loan Commitment      
Financing Receivable, Allowance for Credit Loss [Roll Forward]      
Balance at beginning of period 4,100    
Balance at end of period 3,900 4,100  
Impact of adopting ASU 2016-13 | Loans      
Financing Receivable, Allowance for Credit Loss [Roll Forward]      
Balance at beginning of period 6,383   0
Balance at end of period   6,383  
Allowance for Loan Losses      
Financing Receivable, Allowance for Credit Loss [Roll Forward]      
Balance at beginning of period 57,649   62,192
Loans charged off (2,076)   (1,063)
Recoveries of loans previously charged off 350   244
Net (charge-offs) recoveries (1,726)   (819)
Provision for (reversal of) credit losses 14,711   2,512
Balance at end of period 78,243 57,649 63,885
Allowance for Loan Losses | Loans      
Financing Receivable, Allowance for Credit Loss [Roll Forward]      
Balance at beginning of period 57,649   62,192
Loans charged off (2,076)   (1,063)
Recoveries of loans previously charged off 350   244
Net (charge-offs) recoveries (1,726)   (819)
Provision for (reversal of) credit losses 14,711   2,512
Balance at end of period 78,243 57,649 63,885
Allowance for Loan Losses | Impact of adopting ASU 2016-13      
Financing Receivable, Allowance for Credit Loss [Roll Forward]      
Balance at beginning of period 7,609    
Balance at end of period   7,609  
Allowance for Loan Losses | Impact of adopting ASU 2016-13 | Loans      
Financing Receivable, Allowance for Credit Loss [Roll Forward]      
Balance at beginning of period 7,609   0
Balance at end of period   7,609  
Reserve for Unfunded Loan Commitments | Loans      
Financing Receivable, Allowance for Credit Loss [Roll Forward]      
Balance at beginning of period 4,064   4,622
Loans charged off 0   0
Recoveries of loans previously charged off 0   0
Net (charge-offs) recoveries 0   0
Provision for (reversal of) credit losses 1,050   (414)
Balance at end of period 3,888 4,064 4,208
Reserve for Unfunded Loan Commitments | Impact of adopting ASU 2016-13 | Loans      
Financing Receivable, Allowance for Credit Loss [Roll Forward]      
Balance at beginning of period $ (1,226)   $ 0
Balance at end of period   $ (1,226)