Consolidated Statements of Cash Flows (Parenthetical) - USD ($)	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Statement of Cash Flows [Abstract]
Restricted cash pledged as collateral on interest rate swaps	$ 1,900,000	$ 1,300,000
Restricted cash and cash equivalents	$ 0	$ 6,300,000