Equity Compensation, Employment Agreements and Other Benefit Plans (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended			6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013	Jun. 30, 2014		Jun. 30, 2013	Dec. 31, 2013
Deferred Compensation Activity
Number of officers having employment agreements with the company				5
Deferred Compensation Plans
Deferred Compensation Activity
Deferrable compensation by the employee, maximum (as a percent)				100.00%
Expenses related to deferred plans	$ 27		$ 0	$ 63		$ 52
Undistributed income deferred	236	[1]		236	[1]		270	[1]
Liability under deferred plans	351			351			382
Deferred Compensation Plans | Non-employee directors
Deferred Compensation Activity
Expenses related to deferred plans	27		0	63		52
Undistributed income deferred	236	[1]		236	[1]		270	[1]
Liability under deferred plans	351			351			382
Savings Plan
Deferred Compensation Activity
Employer contribution percentage on first 3 percent of eligible compensation deferred by employees				100.00%
Percentage of eligible compensation deferred by employees qualifying for 100 percent matching contribution				3.00%
Employer contribution percentage on next 2 percent of eligible compensation deferred by employees				50.00%
Percentage of eligible compensation deferred by employees qualifying for 50 percent matching contribution				2.00%
Percentage of employer matching contributions that vest immediately				100.00%
Expenses for matching contributions	$ 65		$ 63	$ 130		$ 125

[1] Represents the cumulative amounts that were deferred by participants through June 30, 2014 and December 31, 2013, which had not been distributed through such date.