Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2017

Accounting Policies [Abstract]

Reconciliation Between BS and SCF for Cash Cash Equivalent and Restricted Cash [Table Text Block]

Reconciliation of Cash and Cash Equivalents and Restricted Cash as Presented on the Statements of Cash Flows

The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported within the consolidated balance sheets that sum to the total of the same such amounts shown in the consolidated statements of cash flows (in thousands):

	June 30, 2017		December 31, 2016		June 30, 2016		December 31, 2015
Cash and cash equivalents	$	162,600	$	83,932	$	87,641	$	94,808
Restricted cash - current	13,137		11,793		12,228		14,609
Restricted cash	17,410		13,646		16,372		36,875
Cash, cash equivalents and restricted cash shown in the consolidated statements of cash flows	$	193,147	$	109,371	$	116,241	$	146,292