Consolidated Statements of Stockholders' Equity (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common stock	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]	Noncontrolling Interests [Member]
Balance, at Dec. 31, 2013	$ 166,493	$ 209	$ (8,014)	$ 99,398	$ (3,665)	$ 72,532	$ 6,033
Balance, Shares at Dec. 31, 2013	20,912,853	20,912,853
Treasury Stock, Shares at Dec. 31, 2013	(1,224,182)		(1,224,182)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	7,637					6,174	1,463
Other comprehensive income, net of tax					2,105
Other comprehensive income, net of tax					6		6
Other comprehensive income, net of tax	2,111				2,111
Distributions to non-controlling interest partners	(1,380)						(1,380)
Non-controlling interest attributable to the consolidation of Creative Investigations Recovery Group, LLC	(249)						(249)
Stock-based compensation, shares		114,944
Stock-based compensation	613	2		611
Direct stock awards to employees, shares		264
Direct stock awards to employees, value	1	0		1
Stock issued for the Employee Stock Purchase Plan, shares		18,642
Stock issued for the Employee Stock Purchase Plan, value	113	0		113
Options exercised, net of shares surrendered, shares		240,822
Options exercised, net of shares surrendered, value	0	(2)		(2)
Balance, at Jun. 30, 2014	$ 175,339	$ 213	$ (8,014)	$ 100,121	$ (1,560)	$ 78,706	$ 5,873
Balance, Shares at Jun. 30, 2014	21,287,525	21,287,525
Treasury Stock, Shares at Jun. 30, 2014	(1,224,182)		(1,224,182)