Income Taxes Income Taxes (Narrative) (Details) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax [Line Items]
Deferred tax valuation allowance, percent	100.00%
Net deferred tax assets	$ 10,215,000	$ 838,000
Amount in retained earnings for additions to the tax bad debt reserve for which no federal tax provision has been made		5,000,000
Net unrealized built-in losses, realization period subject to limitations	5 years
Net unrealized build-in losses, carryforward period	20 years
Increase (decrease) in valuation allowance	34,359,000	(15,392,000)	(52,299,000)
Deferred tax assets related to NOL carryforwards	135,050,000	145,472,000
Effective income tax rate	39.485%
Granite Corp. [Member]
Income Tax [Line Items]
Increase (decrease) in valuation allowance	(28,300,000)
Deferred tax assets related to NOL carryforwards	2,900,000
State Jurisdiction [Member]
Income Tax [Line Items]
Increase (decrease) in valuation allowance	$ (5,300,000)
State income tax rate	6.90%
Tax Year 2014 [Member]
Income Tax [Line Items]
Effective income tax rate	38.25%
Tax Year 2014 [Member] | State Jurisdiction [Member]
Income Tax [Line Items]
State income tax rate	6.00%
Tax Year 2015 [Member] | State Jurisdiction [Member]
Income Tax [Line Items]
State income tax rate	5.00%