Restricted Cash (Tables)

9 Months Ended

Sep. 30, 2019

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

Schedule Of Cash And Cash Equivalents [Table Text Block]

	September 30,				December 31,
	2019		2018		2018		2017
Cash and cash equivalents	$	128,161	$	99,810	$	104,147	$	89,879
Restricted cash included in other current assets		460		—		—		—
Restricted cash included in other assets		19,839		20,594		20,278		21,171
Cash, cash equivalents and restricted cash	$	148,460	$	120,404	$	124,425	$	111,050