Fair Value Disclosures (Tables)

12 Months Ended

Dec. 31, 2019

Fair Value Disclosures [Abstract]

Estimated Fair Values and Carrying Amounts of Assets and Liabilities

	Level in Fair Value Hierarchy	December 31, 2019				December 31, 2018
		Carrying  Amount		Fair Value		Carrying  Amount		Fair Value
Assets:
Cash and cash equivalents	1	$	20,407	$	20,407	$	18,707	$	18,707
Liabilities:
Debt	2	995,431		1,046,200		994,047		990,600