Long-Lived Assets (Intangible Assets) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Long-Lived Assets
Amortization expense	$ 500	$ 600
Subject to amortization
Gross Carrying Value	22,029		$ 22,029
Accumulated Amortization	15,025		14,501
Net Carrying Value	7,004		7,528
Not subject to amortization
Carrying Value	27,300		27,300
Total intangible assets
Gross Carrying Value	49,329		49,329
Accumulated Amortization	15,025		14,501
Net Carrying Value	34,304		34,828
Estimated amortization expense
2016 (remaining months)	1,576
2017	1,703
2018	1,307
2019	930
2020	574
Thereafter	914
Net Carrying Value	7,004		7,528
Brand name
Not subject to amortization
Carrying Value	27,300		27,300
Customer relationships
Subject to amortization
Gross Carrying Value	21,709		21,709
Accumulated Amortization	14,753		14,238
Net Carrying Value	6,956		7,471
Total intangible assets
Accumulated Amortization	14,753		14,238
Estimated amortization expense
Net Carrying Value	6,956		7,471
Trade name and other
Subject to amortization
Gross Carrying Value	320		320
Accumulated Amortization	272		263
Net Carrying Value	48		57
Total intangible assets
Accumulated Amortization	272		263
Estimated amortization expense
Net Carrying Value	$ 48		$ 57