XML 95 R76.htm IDEA: XBRL DOCUMENT v3.8.0.1
Loans (Loans Receivable) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Loans and Leases Receivable Disclosure [Line Items]    
Loans and leases receivable held to maturity $ 6,393,226 $ 5,353,702
Unearned discount (556) (699)
Deferred loan fees (1,206) (1,284)
Total net loans receivable held to maturity 6,391,464 5,351,719
Allowance for loan losses (55,686) (54,324)
Loans receivable, net 6,335,778 5,297,395
Commercial    
Loans and Leases Receivable Disclosure [Line Items]    
Loans and leases receivable held to maturity 4,809,875 3,825,847
Commercial | Commercial    
Loans and Leases Receivable Disclosure [Line Items]    
Loans and leases receivable held to maturity 1,646,606 1,287,265
Commercial | Commercial real estate    
Loans and Leases Receivable Disclosure [Line Items]    
Loans and leases receivable held to maturity 3,163,269 2,538,582
Agricultural and agricultural real estate    
Loans and Leases Receivable Disclosure [Line Items]    
Loans and leases receivable held to maturity 511,588 489,318
Residential real estate    
Loans and Leases Receivable Disclosure [Line Items]    
Loans and leases receivable held to maturity 624,279 617,924
Consumer    
Loans and Leases Receivable Disclosure [Line Items]    
Loans and leases receivable held to maturity $ 447,484 $ 420,613
Consumer | Citizens Finance Co | Loans and Finance Receivables    
Loans and Leases Receivable Disclosure [Line Items]    
Concentration risk, percentage 16.00%