Goodwill and Other Intangible Assets - Summary of Other Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Finite-Lived Intangible Assets, Net [Abstract]
Amortized intangible assets, Gross Carrying Value	$ 6,817	$ 4,553
Accumulated Amortization	(2,797)	(2,492)
Amortized intangible assets, Net Carrying Value	4,020	2,061
Intangible Assets, Gross (Excluding Goodwill)	7,277	5,013
Total Other Intangible Assets, Net	4,480	2,521
Customer contracts and relationships
Finite-Lived Intangible Assets, Net [Abstract]
Amortized intangible assets, Gross Carrying Value	5,537	3,594
Accumulated Amortization	(2,521)	(2,384)
Amortized intangible assets, Net Carrying Value	3,016	1,210
Other
Finite-Lived Intangible Assets, Net [Abstract]
Amortized intangible assets, Gross Carrying Value	1,280	959
Accumulated Amortization	(276)	(108)
Amortized intangible assets, Net Carrying Value	1,004	851
Business licenses
Finite-Lived Intangible Assets, Net [Abstract]
Accumulated Amortization	0	0
Unamortized intangible assets, Gross Carrying Value	$ 460	$ 460