Acquisitions, Goodwill and Other Intangible Assets (Tables) - USD ($)

12 Months Ended

Dec. 31, 2017

Dec. 31, 2016

Dec. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Business Acquisition, Pro Forma Information

This unaudited pro forma information should not be relied upon as being necessarily indicative of the historical results that would have been obtained if the Merger had actually occurred on that date, nor of the results that may be obtained in the future.

Pro Forma Results (in thousands)	Year Ended December 31, 2015
Total revenues	$	133,628
Net income	$	28,080

Changes in Goodwill

Goodwill represents the excess of the cost of acquired assets over the fair value of the underlying identifiable assets at the date of acquisition. Changes in goodwill are as follows (in thousands):

	As of December 31,
	2017		2016
Beginning balance	$	27,144	$	27,144
Acquired goodwill	—		—
Ending balance	$	27,144	$	27,144

Summary of Intangible Assets

The following is a summary of intangible assets at December 31, 2017 and 2016 (in thousands, except years):

	Weighted Average Amortization Period (years)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
2017
Client relationships	14.8	$	25,396	$	(6,302	)	$	19,094
Trade names	4.2	942		(633		)	309
Non-compete agreements	2.9	283		(262		)	21
Internally developed software	7.0	418		(38		)	380
		$	27,039	$	(7,235	)	$	19,804
2016
Client relationships	14.8	$	25,396	$	(4,672	)	$	20,724
Trade names	4.2	942		(496		)	446
Non-compete agreements	2.9	283		(176		)	107
Internally developed software	7.0	136		(19		)	117
		$	26,757	$	(5,363	)	$	21,394

Goodwill impairment loss

$ 0

$ 0

$ 0

Amortization expense

$ 1,872,000

$ 1,960,000

$ 1,546,000

Estimated Amortization Expense for Intangible Assets over the Next Five Years

Estimated amortization expense for intangible assets over the next five years is as follows (in thousands):

	Estimated Amortization Expense
For the year ending December 31,
2018	$	1,672
2019	1,651
2020	1,530
2021	1,419
2022	1,419