XML 60 R48.htm IDEA: XBRL DOCUMENT v3.8.0.1
Loans and Allowance for Losses and Concentrations of Credit Risk - Loan (Details) - USD ($)
$ in Thousands
Mar. 31, 2018
Dec. 31, 2017
Mar. 31, 2017
Dec. 31, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Loans and Leases Receivable, Gross $ 3,866,844 $ 3,873,755    
Allowance for Loan and Lease Losses, Real Estate 6,365 6,796    
Loans and Leases Receivable, Net Amount 5,302,197 5,266,786    
Financing Receivable, Allowance for Credit Losses 8,456 8,866 $ 7,638 $ 7,435
Real Estate Loan [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Loans and Lease Receivable Unpaid Principal Balance 5,317,836 5,275,024    
Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums (9,274) (1,442)    
Loans and Leases Receivable, Gross 5,308,562 5,273,582    
Allowance for Loan and Lease Losses, Real Estate 6,365 6,796    
Loans and Leases Receivable, Net Amount 5,302,197 5,266,786    
Real Estate Loan [Member] | Farm & Ranch [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Loans and Lease Receivable Unpaid Principal Balance 4,274,359 4,198,733    
Real Estate Loan [Member] | Rural Utilities [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Loans and Lease Receivable Unpaid Principal Balance 1,043,477 1,076,291    
Unsecuritized [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Loans and Lease Receivable Unpaid Principal Balance 3,876,118 3,875,197    
Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums (9,274) (1,442)    
Loans and Leases Receivable, Gross 3,866,844 3,873,755    
Allowance for Loan and Lease Losses, Real Estate 5,051 5,493    
Loans and Leases Receivable, Net Amount 3,861,793 3,868,262    
Unsecuritized [Member] | Farm & Ranch [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Loans and Lease Receivable Unpaid Principal Balance 2,832,641 2,798,906    
Unsecuritized [Member] | Rural Utilities [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Loans and Lease Receivable Unpaid Principal Balance 1,043,477 1,076,291    
In Consolidated Trusts [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Loans and Lease Receivable Unpaid Principal Balance 1,441,718 1,399,827    
Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums 0 0    
Loans and Leases Receivable, Gross 1,441,718 1,399,827    
Allowance for Loan and Lease Losses, Real Estate 1,314 1,303    
Loans and Leases Receivable, Net Amount 1,440,404 1,398,524    
In Consolidated Trusts [Member] | Farm & Ranch [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Loans and Lease Receivable Unpaid Principal Balance 1,441,718 1,399,827    
In Consolidated Trusts [Member] | Rural Utilities [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Loans and Lease Receivable Unpaid Principal Balance $ 0 $ 0