Annual report pursuant to Section 13 and 15(d)

Subsequent Events (Details)

v3.8.0.1
Subsequent Events (Details) - Subsequent
$ in Thousands
Feb. 05, 2018
USD ($)
segment
Interest rate swap  
Subsequent Events  
Number of agreements | segment 2
Interest rate swap effective December 31, 2018 through June 30, 2021 | Cash flow hedges  
Subsequent Events  
Notional amount $ 50,000
Interest rate 2.613%
Interest rate swap effective June 30, 2021 through December 10, 2021 | Cash flow hedges  
Subsequent Events  
Notional amount $ 150,000
Interest rate 2.793%