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Goodwill and Intangible Assets (Tables)
 12 Months Ended
Dec. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill by reportable segments
Goodwill by reportable segments during 2016 and 2015 was as follows (in thousands):
 
 
Recovery
Audit
Services –
Americas
 
Recovery Audit
Services –
Europe/Asia-
Pacific
 
Adjacent
Services
 
Total
Balance, January 1, 2015
 
$
12,177

 
$
859

 
$
—

 
$
13,036

Goodwill disposed in connection with business divestiture

 
(1,422
)
 
—

 
—

 
(1,422
)
Goodwill recorded in connection with business combinations
 
—

 
—

 
242

 
242

Foreign currency translation
 
—

 
(46
)
 
—

 
(46
)
Balance, December 31, 2015
 
10,755

 
813

 
242

 
11,810

Goodwill disposed in connection with business divestiture
 
—

 
—

 
—

 
—

Goodwill recorded in connection with business combinations
 
—

 
—

 
2,146

 
2,146

Foreign currency translation
 
—

 
(133
)
 
—

 
(133
)
Balance, December 31, 2016
 
$
10,755

 
$
680

 
$
2,388

 
$
13,823
Change in noncurrent intangible assets
Changes in noncurrent intangible assets during 2016 and 2015 were as follows (in thousands):
 
 
Customer
Relationships
 
Trademarks
 
Non-
compete
Agreements
 
Software
 
Trade
Names
 
Total
Gross carrying amount:
 
 
 
 
 
 
 
 
 
 
 
 
Balance, January 1, 2015
 
$
38,496

 
$
1,059

 
$
1,657

 
$
—

 
$
2,200

 
$
43,412

Disposition of SDS assets
 
(291
)
 
(101
)
 
(126
)
 
—

 
—

 
(518
)
FX adjustments and other
 
(421
)
 
(27
)
 
(54
)
 
—

 
—

 
(502
)
Balance, December 31, 2015
 
37,784

 
931

 
1,477

 
—

 
2,200

 
42,392

Acquisition of Lavante assets
 
—

 
—

 
—

 
5,901

 
277

 
6,178

FX adjustments and other
 
(1,211
)
 
(78
)
 
(155
)
 
—

 
—

 
(1,444
)
Balance, December 31, 2016
 
$
36,573

 
$
853

 
$
1,322

 
$
5,901

 
$
2,477

 
$
47,126

Accumulated amortization:
 
 
 
 
 
 
 
 
 
 
 
 
Balance, January 1, 2015
 
$
(29,496
)
 
$
(869
)
 
$
(1,408
)
 
$
—

 
$
(2,200
)
 
$
(33,973
)
Amortization expense
 
(2,211
)
 
(125
)
 
(122
)
 
—

 
—

 
(2,458
)
Disposition of SDS assets
 
64

 
87

 
95

 
—

 
—

 
246

FX adjustments and other
 
397

 
26

 
54

 
—

 
—

 
477

Balance, December 31, 2015
 
(31,246
)
 
(881
)
 
(1,381
)
 
—

 
(2,200
)
 
(35,708
)
Amortization expense
 
(1,414
)
 
(50
)
 
(96
)
 
(272
)
 
—

 
(1,832
)
FX adjustments and other
 
1,179

 
78

 
155

 
—

 
—

 
1,412

Balance, December 31, 2016
 
$
(31,481
)
 
$
(853
)
 
$
(1,322
)
 
$
(272
)
 
$
(2,200
)
 
$
(36,128
)
Net carrying amount:
 
 
 
 
 
 
 
 
 
 
 
 
Balance, December 31, 2015
 
$
6,538

 
$
50

 
$
96

 
$
—

 
$
—

 
$
6,684

Balance, December 31, 2016
 
$
5,092

 
$
—

 
$
—

 
$
5,629

 
$
277

 
$
10,998

Estimated useful life (years)
 
6-20 years

 
6 years

 
1-5 years

 
4 years

 
4-5 years