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v3.19.1

Capital Leases - Schedule of Maturities of Capital Leases (Details) (Parenthetical) | Dec. 31, 2018
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Minimum [Member] |
Capital leases, interest rate | 5.80%
Maximum [Member] |
Capital leases, interest rate | 11.90%

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- Definition The percentage points added to the reference rate to compute the variable rate on the lessor's capital lease (sales-type and direct financing leases). + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |