Exhibit 12.1

	Ratio of Earnings to Fixed Charges
	(Unaudited)
	For the Year Ended December 31,
$s in thousands	2017		2016		2015		2014		2013
Earnings (as defined):
Earnings before income taxes	$	42,970	$	55,301	$	46,855	$	61,050	$	50,147
Fixed Charges		18,282		17,517		23,556		10,732		856
Earnings	$	61,252	$	72,818	$	70,411	$	71,782	$	51,003
Fixed Charges (as defined):
Interest Expense	$	18,157	$	17,317	$	23,370	$	10,677	$	828
Estimated Interest within rental expense		125		200		186		55		28
Fixed Charges	$	18,282	$	17,517	$	23,556	$	10,732	$	856
Ratio of earnings to fixed charges		3.4		4.2		3.0		6.7		59.6