Stockholders' Equity Note Disclosure [Text Block] (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Treasury Stock, Shares, Acquired			159,499
Treasury Stock, Value, Acquired, Cost Method	$ 3,129	$ 1,508	$ 4,601	$ 1,599
Tender Offer
Treasury Stock, Shares, Acquired			36,377
Treasury Stock, Value, Acquired, Cost Method			$ 982

Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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