XML 63 R47.htm IDEA: XBRL DOCUMENT v3.21.2
Leases - Lease Revenue - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Lessor, Lease, Description [Line Items]          
Lessor, Sales-type Lease, Renewal Term 50 years   50 years    
Lessor, Sales-type Lease, Term of Contract 30 years   30 years    
Residual Value of Leased Asset $ 4,500 $ 4,100 $ 4,500 $ 4,100 $ 4,300
Lease Revenue [Abstract]          
Operating leases 25 25 43 53  
Sales-type leases 4,368 4,588 8,737 9,178  
Total lease revenue 4,393 $ 4,613 8,780 $ 9,231  
Operating Leases Payment to be Received [Abstract]          
Operating Lease, Payments to be Received, Remainder of Fiscal Year 61   61    
Operating Lease, Payments to be Received, Two Years 115   115    
Operating Lease, Payments to be Received, Three Years 117   117    
Operating Lease, Payments to be Received, Four Years 113   113    
Operating Lease, Payments to be Received, Thereafter 1,199   1,199    
Total lease revenue 1,727   1,727    
Total Lease Payments to be Received [Abstract]          
Lease Payments to be Received, Remainder of Fiscal Year 8,762   8,762    
Lease Payments to be Received, Two Years 17,148   17,148    
Lease Payments to be Received, Three Years 16,672   16,672    
Lease Payments to be Received, Four Years 15,984   15,984    
Lease Payments to be Received, Five Years 15,419   15,419    
Lease Payments to be Received, Thereafter 252,920   252,920    
Total lease revenue 326,905   326,905    
Lessor, Operating Lease, Payment to be Received, Year One 122   122    
Northwest Natural Gas Company [Member]          
Operating Leases Payment to be Received [Abstract]          
Operating Lease, Payments to be Received, Remainder of Fiscal Year 36   36    
Operating Lease, Payments to be Received, Two Years 64   64    
Operating Lease, Payments to be Received, Three Years 65   65    
Operating Lease, Payments to be Received, Four Years 60   60    
Operating Lease, Payments to be Received, Thereafter 229   229    
Total lease revenue 526   526    
Total Lease Payments to be Received [Abstract]          
Lease Payments to be Received, Remainder of Fiscal Year 8,737   8,737    
Lease Payments to be Received, Two Years 17,098   17,098    
Lease Payments to be Received, Three Years 16,621   16,621    
Lease Payments to be Received, Four Years 15,932   15,932    
Lease Payments to be Received, Five Years 15,366   15,366    
Lease Payments to be Received, Thereafter 251,950   251,950    
Total lease revenue 325,704   325,704    
Lessor, Operating Lease, Payment to be Received, Year One 72   72    
Other Northwest Holdings [Member]          
Operating Leases Payment to be Received [Abstract]          
Operating Lease, Payments to be Received, Remainder of Fiscal Year 25   25    
Operating Lease, Payments to be Received, Two Years 51   51    
Operating Lease, Payments to be Received, Three Years 52   52    
Operating Lease, Payments to be Received, Four Years 53   53    
Operating Lease, Payments to be Received, Thereafter 970   970    
Total lease revenue 1,201   1,201    
Total Lease Payments to be Received [Abstract]          
Lease Payments to be Received, Remainder of Fiscal Year 25   25    
Lease Payments to be Received, Two Years 50   50    
Lease Payments to be Received, Three Years 51   51    
Lease Payments to be Received, Four Years 52   52    
Lease Payments to be Received, Five Years 53   53    
Lease Payments to be Received, Thereafter 970   970    
Total lease revenue 1,201   1,201    
Lessor, Operating Lease, Payment to be Received, Year One $ 50   $ 50    
Compressed Natural Gas Lease [Member]          
Lessor, Lease, Description [Line Items]          
Lessor, Sales-type Lease, Term of Contract 10 years   10 years    
Residual Value of Leased Asset $ 0   $ 0    
Variable Lease, Payment     0    
North Mist Lease [Member]          
Lessor, Lease, Description [Line Items]          
Residual Value of Leased Asset 0   0    
Variable Lease, Payment     0    
Sales-type Lease [Member]          
Sales-type Leases Payments to be Received [Abstract]          
Sales-type Lease, Payments to be Received, Remainder of Fiscal Year 8,701   8,701    
Sales-type Lease, Payments to be Received, Two Years 16,557   16,557    
Sales-type Lease, Payments to be Received, Three Years 15,867   15,867    
Sales-type Lease, Payments to be Received, Four Years 15,306   15,306    
Sales-type Lease, Payments to be Received, Thereafter 251,721   251,721    
Total lease revenue 325,178   325,178    
Less: imputed interest 183,237   183,237    
Total leases receivable 141,941   141,941    
Total Lease Payments to be Received [Abstract]          
Sales-Type and Direct Financing Leases, Lease Receivable, to be Received, Year One 17,026   17,026    
Sales-type Lease [Member] | Northwest Natural Gas Company [Member]          
Sales-type Leases Payments to be Received [Abstract]          
Sales-type Lease, Payments to be Received, Remainder of Fiscal Year 8,701   8,701    
Sales-type Lease, Payments to be Received, Two Years 16,557   16,557    
Sales-type Lease, Payments to be Received, Three Years 15,867   15,867    
Sales-type Lease, Payments to be Received, Four Years 15,306   15,306    
Sales-type Lease, Payments to be Received, Thereafter 251,721   251,721    
Total lease revenue 325,178   325,178    
Less: imputed interest 183,237   183,237    
Total leases receivable 141,941   141,941    
Total Lease Payments to be Received [Abstract]          
Sales-Type and Direct Financing Leases, Lease Receivable, to be Received, Year One 17,026   17,026    
Sales-type Lease [Member] | Other Northwest Holdings [Member]          
Sales-type Leases Payments to be Received [Abstract]          
Sales-type Lease, Payments to be Received, Remainder of Fiscal Year 0   0    
Sales-type Lease, Payments to be Received, Two Years 0   0    
Sales-type Lease, Payments to be Received, Three Years 0   0    
Sales-type Lease, Payments to be Received, Four Years 0   0    
Sales-type Lease, Payments to be Received, Thereafter 0   0    
Total lease revenue 0   0    
Total Lease Payments to be Received [Abstract]          
Sales-Type and Direct Financing Leases, Lease Receivable, to be Received, Year One $ 0   $ 0