Other Assets, Net (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2020	Dec. 31, 2019
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Assets held in Rabbi Trust	$ 33,001	$ 33,001	$ 35,413
Right-of-use assets for operating leases, net	17,933	17,933	18,344
Capitalized software, net	11,955	11,955	8,759
Equity method investment	9,432	9,432	8,169
Deferred loan costs, net	589	589	855
Other non-current assets	961	961	1,298
Total Other assets, net	73,871	73,871	72,838
Impairment of Right-of-Use assets	600	1,500
Accumulated amortization of capitalized software	$ 35,000	$ 35,000	$ 34,200