Debt And Interest Rate Swap Contracts (Narrative) (Details) (USD $)	1 Months Ended	3 Months Ended
	Jul. 31, 2013 contract	Mar. 31, 2014	May 07, 2014	Dec. 31, 2013
Line of Credit Facility [Line Items]
Minimum required consolidated net worth		$ 104,000,000
Sum used to compute minimum required consolidated net worth		75,000,000
Percentage of fiscal year net income to be maintained		50.00%
Percentage of equity raise through sale of equity interests to be maintained		90.00%
Remaining borrowing capacity		20,000,000
Number of interest rate swap contracts	2
Outstanding balance		0	0	0
Swap option, termination date		Jun. 30, 2020
Federal Funds Rate [Member]
Line of Credit Facility [Line Items]
Basis spread on variable rate		0.50%
Citibank Prime Commercial Lending Rate And 30 Day LIBOR [Member]
Line of Credit Facility [Line Items]
Basis spread on variable rate		1.00%
Maximum [Member]
Line of Credit Facility [Line Items]
Maximum funded indebtness ratio percentage		30.00%
Maximum [Member] | London Interbank Offered Rate (LIBOR) [Member]
Line of Credit Facility [Line Items]
Basis spread on variable rate		3.25%
Maximum [Member] | Citibank Alternate Bank Rate [Member]
Line of Credit Facility [Line Items]
Basis spread on variable rate		1.50%
Minimum [Member]
Line of Credit Facility [Line Items]
Cash on hand		5,000,000
Coverage ratio		1.25
Minimum [Member] | London Interbank Offered Rate (LIBOR) [Member]
Line of Credit Facility [Line Items]
Basis spread on variable rate		2.00%
Minimum [Member] | Citibank Alternate Bank Rate [Member]
Line of Credit Facility [Line Items]
Basis spread on variable rate		0.25%
$25 Million Term Loan [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity	25,000,000	25,000,000
Term loan, maturity date		Jun. 30, 2020
Credit facility, length of term		7 years
Percentage of debt converted to fixed-rate debt	80.00%
Outstanding balance		6,500,000
Fixed interest rate	3.73%
$25 Million Term Loan With 3.73% Fixed Interest Rate [Member]
Line of Credit Facility [Line Items]
Outstanding balance		17,900,000
Fixed interest rate		3.73%
Citibank I [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity		20,000,000
Citibank II [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity		2,600,000
Citibank I And II [Member]
Line of Credit Facility [Line Items]
Outstanding balance		$ 24,400,000