Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Identified Intangible Assets

The amount of identified intangible assets, including the respective amounts of accumulated amortization, are as follows:

	September 30,         2016		December 31,         2015
Database	$	26,849,000	$	22,790,000
Accumulated amortization		(19,152,000)		(17,121,000)
Database, net		7,697,000		5,669,000
Customer relationships		14,100,000		14,100,000
Accumulated amortization		(9,030,000)		(8,328,000)
Customer relationships, net		5,070,000		5,772,000
Website		16,893,000		14,735,000
Accumulated amortization		(12,066,000)		(10,669,000)
Website, net		4,827,000		4,066,000
Acquired below market lease		2,800,000		2,800,000
Accumulated amortization		(2,800,000)		(2,620,000)
Acquired below market lease, net		—		180,000
Intangibles, net	$	17,594,000	$	15,687,000