Employee Benefit Plans (Details) (USD $)	12 Months Ended
	Dec. 31, 2013 H	Dec. 31, 2012	Dec. 31, 2011
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Mandotory work hours per year	1,000
Mandatory 401(k) match	$ 0.25
Maximum annual employer 401(k) contribution	6.00%
Amount expensed for 401(k) contributions	673,000	620,000	721,000
Contributions to Supplemental Executive Retirement Plan	220,000	302,000	335,000
Accrued liability for plan	1,200,000	1,500,000
Increase in non-qualified deferred compensation plan	99,000	330,000	132,000
Aggregate payout under Profit Sharing Plan	858,000	894,000
Supplemental Employee Retirement Plans, Defined Benefit
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Accrued liability for plan	$ 2,500,000	$ 3,100,000