Income Taxes - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Income Tax Contingency [Line Items]
Effective tax rate	30.80%	(0.30%)
Deferred tax benefit recognized	$ 6,319,000
Valuation allowance, deferred tax asset, increase, amount	60,500,000	$ 4,900,000
Amount of unrecognized tax benefits, if recognized, affect effective tax rate		$ 1,100,000
Unrecognized tax benefits, income tax penalties and interest accrued	0
State
Income Tax Contingency [Line Items]
Net operating loss carryforwards	3,600,000
Federal and state deductions from stock-based compensation	$ 0
Operating loss carryforwards expiration year	2033
Tax credit carryforwards	$ 2,900,000
State | Earliest Tax Year
Income Tax Contingency [Line Items]
Open tax year	Dec. 31, 2010
State | Latest Tax Year
Income Tax Contingency [Line Items]
Open tax year	Dec. 31, 2015
Foreign
Income Tax Contingency [Line Items]
Net operating loss carryforwards	$ 13,300,000
Federal and state deductions from stock-based compensation	$ 0
Operating loss carryforwards expiration year	2023
U.S. Federal Tax Authority
Income Tax Contingency [Line Items]
Net operating loss carryforwards	$ 30,500,000
Federal and state deductions from stock-based compensation	$ 0
Operating loss carryforwards expiration year	2027
Tax credit carryforwards	$ 11,600,000
Tax credit carryforward expiration year	2034
Tax credit carryforwards period	20 years
U.S. Federal Tax Authority | Earliest Tax Year
Income Tax Contingency [Line Items]
Open tax year	Dec. 31, 2010
U.S. Federal Tax Authority | Latest Tax Year
Income Tax Contingency [Line Items]
Open tax year	Dec. 31, 2015
California Tax Authority
Income Tax Contingency [Line Items]
Tax assessment additional period	5 years