Goodwill and intangible assets (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Company's other intangible assets

The Company’s other intangible assets consist of the following:

December 31,			2017						2016
(in thousands)	Amortization		Gross						Gross
	Period		Carrying		Accumulated				Carrying		Accumulated
	(in years)		Amount		Amortization		Net		Amount		Amortization		Net
Intangible Assets with determinable lives
Patents		5	$	386	$	374	$	12	$	386	$	366	$	20
Covenant Not to Compete		6 – 10		1,270		475		795		1,270		322		948
Customer Relationships		3 – 12		31,660		1,288		30,372		2,000		452		1,548
Above Market Leases		13		567		10		557		—		—		—
Trade Name		2		30		30		—		30		30		—
Licenses		10		1,000		317		683		1,000		217		783
Totals identifiable intangible assets			$	34,913	$	2,494	$	32,419	$	4,686	$	1,387	$	3,299