Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2018

Accounting Policies [Abstract]

Schedule of restricted cash

The following table sets forth the items from the Company's consolidated balance sheets that are included in cash, cash equivalents, and restricted cash in the consolidated statements of cash flows (in thousands):

	Balance as of
	June 30, 2018		December 31, 2017		June 30, 2017		December 31, 2016
Cash and cash equivalents	$	12,279	$	19,959	$	18,587	$	21,942
Restricted cash	3,139		2,957		3,139		3,251
Cash, cash equivalents, and restricted cash	$	15,418	$	22,916	$	21,726	$	25,193

Summary of changes due to new accounting principle

The following table summarizes the changes made to net cash provided by operating activities, net cash used for investing activities, and net cash provided by financing activities in the consolidated statement of cash flows for the six months ended June 30, 2017 on a retrospective basis (in thousands) as a result of the new guidance as well as the reclassification adjustments described in the "Reclassifications" section above:

	Six months ended
	June 30, 2017
Operating activities as originally presented	$	19,886
Adjustment relating to restricted cash	(148		)
Adjustment for shares tendered for tax withholding	289
Adjustment relating to interest income presentation	(3,053		)
Operating activities after adjustments	$	16,974
Investing activities as originally presented	$	(37,057	)
Adjustment relating to restricted cash	36
Adjustment relating to interest income presentation	3,053
Investing activities after adjustments	$	(33,968	)
Financing activities as originally presented	$	13,816
Adjustment for shares tendered for tax withholding	(289		)
Financing activities after adjustments	$	13,527