Goodwill and Other Intangible Assets - Summary of Other Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Finite-Lived Intangible Assets, Net [Abstract]
Amortized intangible assets, Gross Carrying Value	$ 6,746	$ 6,817
Accumulated Amortization	(3,070)	(2,797)
Amortized intangible assets, Net Carrying Value	3,676	4,020
Intangible Assets, Gross (Excluding Goodwill)	7,206	7,277
Total Other Intangible Assets, Net	4,136	4,480
Customer contracts and relationships
Finite-Lived Intangible Assets, Net [Abstract]
Amortized intangible assets, Gross Carrying Value	5,680	5,537
Accumulated Amortization	(2,828)	(2,521)
Amortized intangible assets, Net Carrying Value	2,852	3,016
Other
Finite-Lived Intangible Assets, Net [Abstract]
Amortized intangible assets, Gross Carrying Value	1,066	1,280
Accumulated Amortization	(242)	(276)
Amortized intangible assets, Net Carrying Value	824	1,004
Business licenses
Finite-Lived Intangible Assets, Net [Abstract]
Accumulated Amortization	0	0
Unamortized intangible assets, Gross Carrying Value	$ 460	$ 460