Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2015

Commitments and Contingencies [Abstract]

Future Minimum Lease Payments under Operating Agreements

2016	$	20,417
2017		14,386
2018		6,463
2019		6,309
2020 and after		7,465
	$	55,040

Future Minimum Lease Payments under Other Commitments

2016	$	26,644
2017		26,644
2018		22,269
2019		11,644
2020		10,673
2021 and after		5,660
	$	103,534