Deferred Acquisition Costs (Tables)

6 Months Ended

Jun. 30, 2018

Deferred Acquisition Costs [Line Items]

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]

The components of deferred acquisition costs and the related amortization expense as of and for the three and six months ended June 30, 2018 and June 30, 2017 are comprised as follows:

(in thousands)	Three months ended June 30,						Six months ended June 30,
	2018			2017			2018			2017
Beginning balance, net	$	6,428		$	5,867		$	6,325		$	5,827
Additions	1,256			1,331			2,498			2,317
Amortization	(1,022		)	(1,144		)	(2,161		)	(2,090		)
Balance at June 30, net	$	6,662		$	6,054		$	6,662		$	6,054