Long-Term Debt and Loan Agreements (Tables)

12 Months Ended

Dec. 31, 2016

Debt Disclosure [Abstract]

Schedule of Long Term Debt

Long-term debt at December 31, 2016 and 2015 consisted of the following:

	December 31,		December 31,
	2016		2015
Loan Agreement	$	90,686	$	93,512
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
		190,686		193,512
Less unamortized deferred financing costs		1,164		1,631
	$	189,522	$	191,881

Schedule of Debt Ratios

The ratios as of December 31, 2016 are shown in the following table:

	Required Level	Actual Level
Interest Coverage Ratio	3.00 to 1(minimum)		8.30
Leverage Ratio	3.25 to 1 (maximum)		2.88