Segment Reporting - Schedule of Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2018	Mar. 31, 2017
Segment Reporting [Line Items]
Revenues	$ 195,796	$ 199,309
Segment income (loss) before taxes	(11,468)	(19,290)
Operating Segments
Segment Reporting [Line Items]
Segment income (loss) before taxes	193	(18,623)
Operating Segments \| Agency
Segment Reporting [Line Items]
Revenues	179,733	180,191
Segment income (loss) before taxes	(9,706)	(28,422)
Operating Segments \| SFS
Segment Reporting [Line Items]
Revenues	12,416	14,371
Segment income (loss) before taxes	8,511	7,333
Operating Segments \| All Other
Segment Reporting [Line Items]
Revenues	6,182	6,351
Segment income (loss) before taxes	1,388	2,466
Reconciling items
Segment Reporting [Line Items]
Revenues	(2,535)	(1,604)
Segment income (loss) before taxes	$ (11,661)	$ (667)

Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h)(1)(i))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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