Derivatives - Interest Rate Swap (Details) (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 19, 2012
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative, Fixed Interest Rate				0.9825%
Interest rate swap		$ (1,200,000)	$ (700,000)
Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Tax		468,000	1,788,000
Notional Amount of Interest Rate Cash Flow Hedge Derivatives	55,000,000			150,000,000
Derivative, Cash Received on Hedge	$ 28,000