XML 99 R93.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Income Taxes - Schedule of Changes in Unrecognized Tax Benefit (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]      
Beginning Balance $ 5,283 $ 5,271 $ 3,036
Additions for tax positions related to the current year 408 419 422
Additions for tax positions related to prior years 0 92 1,953
Reductions for tax positions related to prior years (28) (499) (99)
Reductions for lapse of statute of limitations 0 0 (41)
Ending Balance $ 5,663 $ 5,283 $ 5,271