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Related Party Transactions (Tables)
12 Months Ended
Dec. 31, 2019
Related Party Transaction [Line Items]  
Schedule of Related Party Transactions [Table Text Block]
 
 
Principal
Principal
 
 
December 31, 2018
Additions
Reductions
December 31, 2019
Related Party Loans
$
22,032

$
204

$
(1,854
)
$
20,382

Unfunded commitments
$
16,109

 
 
$
13,006