Restricted Cash (Tables)

6 Months Ended

Jun. 30, 2019

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

Schedule Of Cash And Cash Equivalents [Table Text Block]

	June 30,				December 31,
	2019		2018		2018		2017
Cash and cash equivalents	$	86,355	$	90,220	$	104,147	$	89,879
Restricted cash included in other assets		20,103		20,740		20,278		21,171
Cash, cash equivalents and restricted cash	$	106,458	$	110,960	$	124,425	$	111,050