Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plans - Status of Supplemental Executive Retirement Plan (Details)

v3.10.0.1
Employee Benefit Plans - Status of Supplemental Executive Retirement Plan (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Jan. 01, 2018
Change in fair value of plan assets:      
Plan assets at January 1, $ 0    
Actual return on plan assets 0 $ 0  
Plan assets at December 31,   0  
Other Long-Term Liabilities 75,887 61,918  
Other accrued liabilities 257,823 237,963 $ 239,249
SERP      
Change in projected benefit obligation:      
Obligation at beginning of year 13,556 11,233  
Service cost 1,933 1,711  
Interest cost 470 448  
Actuarial loss (gain) (2,368) 429  
Amendments/settlements/curtailments loss (gain) 0 0  
Benefits paid (265) (265)  
Obligation at end of year 13,326 13,556  
Accumulated benefit obligation 10,191 10,204  
Change in fair value of plan assets:      
Plan assets at January 1, 0 0  
Employer contributions 265 265  
Benefits paid (265) (265)  
Plan assets at December 31, 0 0  
Funded status recognized (13,326) (13,556)  
Other Long-Term Liabilities 13,000 13,300  
Other accrued liabilities $ 300 $ 300