Recent Accounting Pronouncements (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Cumulative-effect adjustment from adoption of accounting standard on stock-based compensation	$ 386
Accounting Standards Update 2016-09 [Member]
Debt Instrument [Line Items]
Adjustment to deferred tax assets		$ 400
Retained Earnings [Member] | Accounting Standards Update 2016-09 [Member]
Debt Instrument [Line Items]
Cumulative-effect adjustment from adoption of accounting standard on stock-based compensation		400
Retained Earnings [Member] | Accounting Standards Update 2016-09, Forfeiture Rate Component [Member]
Debt Instrument [Line Items]
Cumulative-effect adjustment from adoption of accounting standard on stock-based compensation		(5,700)
Additional Paid-in Capital [Member] | Accounting Standards Update 2016-09, Forfeiture Rate Component [Member]
Debt Instrument [Line Items]
Cumulative-effect adjustment from adoption of accounting standard on stock-based compensation		$ 5,700