Related Party Transactions - Narrative (Details) $ in Thousands |
1 Months Ended | 2 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|---|
|
Jan. 31, 2018
USD ($)
|
Nov. 30, 2004
USD ($)
Property
|
Dec. 31, 2018
USD ($)
lease
|
Dec. 31, 2017
USD ($)
|
Dec. 31, 2016
USD ($)
|
Dec. 31, 2002
USD ($)
Property
|
|
| Related Party Transaction [Line Items] | ||||||
| Lease term (in years) | 15 years | |||||
| Proceeds from disposition of business, net of cash acquired | $ 942 | $ 1,141 | $ 35,899 | |||
| Related Party | ||||||
| Related Party Transaction [Line Items] | ||||||
| Number of operating leases | lease | 5 | |||||
| Properties sold | Property | 11 | 10 | ||||
| Borrowings collateralized by the land and buildings | $ 6,800 | $ 5,000 | ||||
| Lease term (in years) | 15 years | |||||
| Aggregate annual rental | $ 300 | $ 200 | ||||
| Minimum | Related Party | ||||||
| Related Party Transaction [Line Items] | ||||||
| Lease term (in years) | 5 years | |||||
| Maximum | Related Party | ||||||
| Related Party Transaction [Line Items] | ||||||
| Lease term (in years) | 8 years | |||||