Basis of Presentation and Summary of Significant Accounting Policies (PPE) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 304,062,000		$ 304,062,000		$ 281,460,000
Less: accumulated depreciation	(98,730,000)		(98,730,000)		(95,249,000)
Property, plant and equipment, net	205,332,000		205,332,000		186,211,000
Depreciation expense	2,500,000	$ 2,300,000	5,100,000	$ 4,500,000
Property, Plant and Equipment, Additions	5,500,000.000000000
Land [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	71,256,000		71,256,000		66,957,000
Buildings and improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	164,705,000		164,705,000		148,483,000
Furniture, equipment and automobiles [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 68,101,000		$ 68,101,000		$ 66,020,000