Derivative Financial Instruments - Interest Rate Swap Interest Rate Swap - fair value, notional amount, unrealized gain/loss and rates (Details) (USD $) In Thousands, unless otherwise specified			6 Months Ended			6 Months Ended
	Jun. 30, 2014 Interest Rate Swap [Member] Cash Flow Hedging [Member]	Dec. 31, 2013 Interest Rate Swap [Member] Cash Flow Hedging [Member]	Jun. 30, 2014 Accrued expenses, accounts payable and other liabilities [Member]	Jun. 30, 2014 Accrued expenses, accounts payable and other liabilities [Member] Interest Rate Swap [Member] Cash Flow Hedging [Member]	Dec. 31, 2013 Accrued expenses, accounts payable and other liabilities [Member] Interest Rate Swap [Member] Cash Flow Hedging [Member]	Jun. 30, 2014 Accumulated Other Comprehensive Income (Loss) [Member]	Jun. 30, 2014 Accumulated Other Comprehensive Income (Loss) [Member] Interest Rate Swap [Member] Cash Flow Hedging [Member]	Dec. 31, 2013 Accumulated Other Comprehensive Income (Loss) [Member] Interest Rate Swap [Member] Cash Flow Hedging [Member]
Derivatives, Fair Value [Line Items]
Interest rate swap - notional value	$ 35,000	$ 35,000
Fair value of the Swap				2,619	2,930
Unrealized loss, net of tax, on the fair value of the Swap							$ 1,703	$ 1,904
Variable rate of the interest rate swap	0.23%	0.24%
Fixed rate of the interest rate swap	3.47%	3.47%
Balance Sheet Location			Accrued expenses, accounts payable and other liabilities			AOCI