XML 72 R60.htm IDEA: XBRL DOCUMENT v3.10.0.1
CORE DEPOSIT PREMIUM AND MORTGAGE SERVICING RIGHTS (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Dec. 31, 2017
Sep. 30, 2018
Dec. 31, 2017
OTHER INTANGIBLE ASSETS              
Income generated as a result of new mortgage servicing rights reported as gains on sale of loans $ 1,082 $ 705 $ 3,013 $ 3,101      
Changes in other intangible assets              
Balance, beginning of period     17,849 20,459 $ 20,459    
Additions     1,204 1,857      
Amortization     (3,419) (3,549)      
Balance, end of period 15,634 18,767 15,634 18,767 17,849    
Gross carrying value, accumulated amortization and net carrying value related to intangible assets              
Gross Carrying Value           $ 110,247 $ 109,043
Accumulated Amortization           (94,613) (91,194)
Other intangible assets 15,634 18,767 17,849 20,459 20,459 15,634 17,849
Estimated Amortization Expense              
Other intangible assets 15,634 18,767 17,849 20,459 20,459 15,634 17,849
Core Deposit Premium              
Changes in other intangible assets              
Balance, beginning of period     2,006 4,680 4,680    
Additions     0 0      
Amortization     (2,006) (2,006)      
Balance, end of period 0 2,674 0 2,674 2,006    
Gross carrying value, accumulated amortization and net carrying value related to intangible assets              
Gross Carrying Value           44,642 44,642
Accumulated Amortization           (44,642) (42,636)
Other intangible assets 0 2,674 2,006 4,680 4,680 0 2,006
Estimated Amortization Expense              
Other intangible assets 0 2,674 2,006 4,680 4,680 0 2,006
Mortgage Servicing Rights              
OTHER INTANGIBLE ASSETS              
Income generated as a result of new mortgage servicing rights reported as gains on sale of loans 400 600 1,200 1,900      
Changes in other intangible assets              
Balance, beginning of period     15,843 15,779 15,779    
Additions     1,204 1,857      
Amortization (500) (500) (1,413) (1,543)      
Balance, end of period 15,634 16,093 15,634 16,093 15,843    
Fair market value and key assumptions used in determining the fair market value              
Fair market value, beginning of period     17,161 18,087 18,087    
Fair market value, end of period 18,315 16,777 $ 18,315 $ 16,777 $ 17,161    
Weighted average discount rate     9.50% 9.50% 9.50%    
Forecasted constant prepayment rate assumption     14.00% 16.50% 16.00%    
Gross carrying value, accumulated amortization and net carrying value related to intangible assets              
Gross Carrying Value           65,605 64,401
Accumulated Amortization           (49,971) (48,558)
Other intangible assets 15,634 16,093 $ 15,843 $ 15,779 $ 15,779 15,634 15,843
Estimated Amortization Expense              
2018 (remainder)           450  
2019           1,566  
2020           1,292  
2021           1,087  
2022           919  
2023           789  
Thereafter           9,531  
Other intangible assets $ 15,634 $ 16,093 $ 15,843 $ 15,779 $ 15,779 $ 15,634 $ 15,843