Unaudited Seleted Quarterly Financial Data (Tables)

12 Months Ended

Dec. 31, 2018

Quarterly Financial Information Disclosure [Abstract]

Quarterly Financial Information [Table Text Block]

The following is a summary of the unaudited quarterly results of operations:

	2018 Quarter
​(in thousands, except per share data)	First		Second		Third		Fourth
Gross written premiums	$	63,847	$	69,981	$	69,546	$	72,164
Total revenues	50,126		54,947		60,137		56,904
Net income	7,287		10,112		11,940		4,448
Comprehensive income	2,431		9,096		9,987		6,804
Earnings per share - basic	$	0.35	$	0.48	$	0.57	$	0.21
Earnings per share - diluted	$	0.34	$	0.47	$	0.55	$	0.20

	2017 Quarter
​(in thousands, except per share data)	First		Second		Third		Fourth
Gross written premiums	$	52,862	$	57,753	$	55,633	$	56,943
Total revenues	42,687		45,508		47,839		50,742
Net income	6,281		8,495		4,201		5,924
Comprehensive income	7,354		10,669		5,840		7,422
Earnings per share - basic	$	0.30	$	0.41	$	0.20	$	0.28
Earnings per share - diluted	$	0.29	$	0.40	$	0.20	$	0.27