Long-term Debt [Text Block]	12 Months Ended
Dec. 31, 2017
Notes
Long-term Debt	`Note 11.Debt and Junior Subordinated Debt Securities` The Company has no long term debt outstanding at December 31, 2017 or 2016. In 2016, the Company made aggregate cash payments of $38,146,000 to redeem all of its outstanding junior subordinated debt securities at the redemption price of 100%. During the years ended December 31, 2016 and 2015, the Company also made aggregate cash payments of $4,789,000 and $2,617,000, respectively, for the repayment of other debt. Aggregate cash payments for interest on debt and junior subordinated debt securities totaled $0, $1,865,000 and $1,738,000 for the years ended December 31, 2017, 2016 and 2015, respectively.

Long-term Debt [Text Block]

12 Months Ended

Dec. 31, 2017

Note 11.Debt and Junior Subordinated Debt Securities

The Company has no long term debt outstanding at December 31, 2017 or 2016. In 2016, the Company made aggregate cash payments of $38,146,000 to redeem all of its outstanding junior subordinated debt securities at the redemption price of 100%. During the years ended December 31, 2016 and 2015, the Company also made aggregate cash payments of $4,789,000 and $2,617,000, respectively, for the repayment of other debt.

Aggregate cash payments for interest on debt and junior subordinated debt securities totaled $0, $1,865,000 and $1,738,000 for the years ended December 31, 2017, 2016 and 2015, respectively.