Income Taxes (Narrative) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Operating Loss Carryforwards [Line Items]
Income tax provision	$ 1,453,000	$ 2,207,000
Effective Income Tax Rate Reconciliation, Percent	24.40%	26.30%
Deferred tax assets	$ 79,200,000
Valuation allowance for deferred tax assets	1,200,000
Uncertain income tax positions	$ 0		$ 0
Federal
Operating Loss Carryforwards [Line Items]
Net operating loss carryforward			$ 158,900,000
Operating loss carryforward, expiration date	Dec. 31, 2029
State
Operating Loss Carryforwards [Line Items]
Net operating loss carryforward	$ 21,600,000
Valuation allowance related to state loss carryforwards	$ 21,600,000