Long-Term Debt and Loan Agreements (Tables)

3 Months Ended

Mar. 31, 2019

Debt Disclosure [Abstract]

Schedule of Long Term Debt

Long-term debt consisted of the following:

	March 31,		December 31,
	2019		2018
Loan Agreement	$	—	$	—
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		15,000		15,000
5.45% Senior Unsecured Notes due 2026		12,000		12,000
		78,000		78,000
Less unamortized deferred financing costs		1,113		1,210
	$	76,887	$	76,790