Long-Term Debt and Loan Agreements (Tables)

12 Months Ended

Dec. 31, 2015

Debt Disclosure [Abstract]

Schedule of Long Term Debt

Long-term debt at December 31, 2015 and 2014 consisted of the following:

	2015		2014
Loan Agreement	$	93,512	$	137,109
4.67% Senior Unsecured Notes due 2021		40,000		40,000
5.25% Senior Unsecured Notes due 2024		11,000		11,000
5.30% Senior Unsecured Notes due 2024		29,000		29,000
5.45% Senior Unsecured Notes due 2026		20,000		20,000
		193,512		237,109
Less unamortized deferred financing costs		506		680
	$	193,006	$	236,429

Schedule of Debt Ratios

The ratios as of December 31, 2015 are shown in the following table:

	Required Level	Actual Level
Interest Coverage Ratio	3.00 to 1(minimum)		7.52
Leverage Ratio	3.25 to 1 (maximum)		2.55