Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2015

Accounting Policies [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

The shares used in the calculation of basic and diluted earnings per share, which have been adjusted to give effect to the 5% common stock dividends paid by the Company in December 2015, 2014 and 2013, are shown below:

(Dollars in thousands, except per share amounts)	Years ended December 31,
	2015		2014		2013
Net earnings available to common shareholders	$	10,506	$	8,049	$	4,655
Weighted average common shares outstanding - basic		3,507,328		3,493,240		3,400,734
Assumed exercise of stock options		104,716		59,190		51,707
Weighted average common shares outstanding - diluted		3,612,044		3,552,430		3,452,441
Earnings per share:
Basic	$	3.00	$	2.30	$	1.37
Diluted	$	2.91	$	2.27	$	1.35