Debt Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2016

Commitments and Contingencies Disclosure [Abstract]

Schedule of Debt Obligations and Undrawn Letters of Credit Outstanding

Debt obligations and undrawn letters of credit outstanding at the end of each period were as follows:

	June 30, 2016			December 31, 2015
Outstanding loans under unsecured revolving credit facility	$	415,000		350,000
Note payable	15,000			15,000
Total debt	430,000			365,000
Less: Current portion of debt	(67,610		)	(62,050	)
Long-term debt	$	362,390		302,950
Undrawn letters of credit under unsecured revolving credit facility - face amount	$	36,267		36,266