Commitments and Contingencies Schedule of Future Minimum Rental Payments (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Other Commitments [Table Text Block]

A roll-forward of the retention bonus liability balance is as follows (in thousands):

	Total
Balance at December 31, 2015	$	19,128
Liability Acquired	4,082
Accrual	7,384
Payments	(5,419		)
Balance at December 31, 2016	$	25,175
Accrual	2,853
Payments	(28,028		)
Balance at December 31, 2017	$	—

Note 15—Commitments and Contingencies (continued)

Severance Plan

TCIL and TAL established severance plans in order to provide severance benefits to eligible employees who are involuntarily terminated for reasons other than cause, or who resign for “good reason”. Employees eligible for benefits under the severance plans would receive a severance award and other benefits based upon their tenure with either TCIL or TAL.

The severance balance is as follows (in thousands):

	Total
Balance at December 31, 2015	$	—
Accrual	33,991
Payments	(13,273		)
Balance at December 31, 2016	20,718
Accrual	6,023
Payments	(17,064		)
Balance at December 31, 2017	$	9,677

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

Future minimum rental commitments under non-cancelable operating leases having an original term of more than one year as of December 31, 2017 were as follows (in thousands):

Years ending December 31,
2018	$	4,178
2019	2,034
2020	1,164
2021	627
2022 and thereafter	272
Total	$	8,275