Significant Accounting Policies (Policies)

6 Months Ended

Jun. 30, 2020

Accounting Policies [Abstract]

Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block]

Cash, Cash Equivalents and Restricted Cash: The table below presents changes in cash, cash equivalents and restricted cash on the condensed consolidated statements of cash flows and a reconciliation to the amounts reported in the condensed consolidated balance sheets (in thousands):

Six months ended June 30,	2020		2019
Cash, cash equivalents and restricted cash, beginning of period	$	268,108	$	278,629
End of the period
Cash and cash equivalents		288,922		144,958
Restricted cash		1,512		5,825
Total cash, cash equivalents and restricted cash, end of period		290,434		150,783
Net increase (decrease) in cash, cash equivalents and restricted cash	$	22,326	$	(127,846	)