Supplemental Disclosure to Cash Flows (Tables)

12 Months Ended

Dec. 31, 2019

Supplemental Cash Flow Elements [Abstract]

Summary of Supplemental Non-Cash and Other Cash Flow Information

Supplemental non-cash and other cash flow information were as follows as of and for the years ended December 31 (in thousands):

	2019		2018		2017
Supplemental disclosures:
Cash and cash equivalents	$	172,250	$	349,462	$	75,105
Restricted cash	$	105	$	1,565	$	3,333
Total cash, cash equivalents and restricted cash shown in the statements of cash flows	$	172,355	$	351,027	$	78,438
Cash paid for income taxes, net of refunds	$	3,669	$	10,609	$	11,487
Non-cash transactions:
Contingent consideration related to business combinations	$	—	$	—	$	1,007
Non-cash purchase consideration related to business combinations	—		12,508		—
Property and equipment purchases in accounts payable	834		501		133
Commission payable converted to stock-based award	314		—		—