Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2016

The following is a summary of changes in the Company’s goodwill by business line for the years ended December 31, 2016 and 2015 (in thousands):


	Consumer
	Services and
	Plans		Retail		Consolidated
Balance as of January 1, 2015	$	49,944	$	11,109	$	61,053
Acquisitions		—		51,887		51,887
Balance as of December 31, 2015		49,944		62,996		112,940
Acquisitions		—		40,165		40,165
Balance as of December 31, 2016	$	49,944	$	103,161	$	153,105

Finite-lived intangible assets and related accumulated amortization

Finite‑lived intangible assets and related accumulated amortization consisted of the following at December 31, (in thousands):


	2016		2015
Gross membership and customer lists	$	9,485	$	6,712
Less: accumulated amortization		(6,099)		(5,060)
Intangible assets, net	$	3,386	$	1,652

Schedule of amortization of finite lived intangibles assets

Amortization expense of finite-lived intangibles for the years ended December 31, 2016, 2015, and 2014 was $1.0 million, $0.8 million, and $0.8 million, respectively. The aggregate future five‑year amortization of finite‑lived intangibles at December 31, 2016, was as follows (in thousands:)


2017	$	1,084
2018		709
2019		689
2020		486
2021		194
Thereafter		224
	$	3,386