Earnings Per Share Information (Tables)

12 Months Ended

Dec. 31, 2018

Schedule of earnings per share calculation [Table Text Block]

Earnings per share is computed as follows (prior periods have been adjusted for the two-for-one stock split of our common shares effective June 1, 2017):



	Year Ended December 31,
	2018		2017		2016
Income available to common shareholders:
Net income	$	27,977	$	22,120	$	22,284
Weighted-average shares:
Basic:
Outstanding	23,698,478		24,793,086		25,378,600
Partially-paid share subscriptions	690,260		764,382		833,440
Basic weighted-average shares	24,388,738		25,557,468		26,212,040
Diluted:
Basic from above	24,388,738		25,557,468		26,212,040
Incremental shares from assumed:
Exercise of stock subscription purchase rights	141,287		146,453		142,746
Exercise of stock options and awards	950,593		993,141		892,568
Diluted weighted-average shares	25,480,618		26,697,062		27,247,354
Share data:
Earnings per share--basic	$	1.15	$	.87	$	.85
Earnings per share--diluted	$	1.10	$	.83	$	.82