Restricted Cash (Tables)

3 Months Ended

Mar. 31, 2020

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents [Abstract]

Schedule Of Cash And Cash Equivalents [Table Text Block]

	March 31,				December 31,
	2020		2019		2019		2018
Cash and cash equivalents	$	316,437	$	71,960	$	123,524	$	104,147
Restricted cash included in other current assets		34		—		353		—
Restricted cash included in other assets		19,480		20,153		19,678		20,278
Cash, cash equivalents and restricted cash	$	335,951	$	92,113	$	143,555	$	124,425