Quarterly report pursuant to Section 13 or 15(d)

Business Segment Information (Details)

v3.19.3
Business Segment Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Segment Reporting Information [Line Items]        
Revenues $ 212,026 $ 205,375 $ 560,321 $ 569,767
Interest income 182 76 396 209
Interest expense 3,149 3,776 9,337 10,721
Depreciation and amortization of intangible assets 9,413 7,214 27,898 21,001
Income (loss) before taxes, excluding unallocated corporate activity 17,752 22,699 47,040 52,054
U.S. Regions        
Segment Reporting Information [Line Items]        
Revenues 84,079 86,402 227,896 249,871
U.S. Federal        
Segment Reporting Information [Line Items]        
Revenues 71,258 62,378 169,337 168,377
Canada        
Segment Reporting Information [Line Items]        
Revenues 12,665 11,604 27,696 28,466
Non-Solar DG        
Segment Reporting Information [Line Items]        
Revenues 21,875 22,138 66,370 60,176
All Other        
Segment Reporting Information [Line Items]        
Revenues 22,149 22,853 69,022 62,877
Operating Segments | U.S. Regions        
Segment Reporting Information [Line Items]        
Revenues 84,079 86,402 227,896 249,871
Interest income 69 2 132 5
Interest expense 1,548 1,403 4,118 3,911
Depreciation and amortization of intangible assets 2,538 1,341 7,184 4,048
Income (loss) before taxes, excluding unallocated corporate activity 3,350 5,256 5,530 14,606
Operating Segments | U.S. Federal        
Segment Reporting Information [Line Items]        
Revenues 71,258 62,378 169,337 168,377
Interest income 92 36 160 84
Interest expense 209 225 627 771
Depreciation and amortization of intangible assets 901 671 2,524 2,004
Income (loss) before taxes, excluding unallocated corporate activity 10,967 10,969 26,631 26,864
Operating Segments | Canada        
Segment Reporting Information [Line Items]        
Revenues 12,665 11,604 27,696 28,466
Interest income 0 0 0 0
Interest expense 179 480 517 1,464
Depreciation and amortization of intangible assets 396 294 986 873
Income (loss) before taxes, excluding unallocated corporate activity 1,577 664 1,529 (1,983)
Operating Segments | Non-Solar DG        
Segment Reporting Information [Line Items]        
Revenues 21,875 22,138 66,370 60,176
Interest income 21 38 65 120
Interest expense 1,213 1,681 4,075 4,575
Depreciation and amortization of intangible assets 5,149 4,530 16,051 12,942
Income (loss) before taxes, excluding unallocated corporate activity 977 3,851 5,758 8,796
Operating Segments | All Other        
Segment Reporting Information [Line Items]        
Revenues 22,149 22,853 69,022 62,877
Interest income 0 0 39 0
Interest expense 0 (13) 0 0
Depreciation and amortization of intangible assets 429 378 1,153 1,134
Income (loss) before taxes, excluding unallocated corporate activity 881 1,959 7,592 3,771
Unallocated corporate activity        
Segment Reporting Information [Line Items]        
Unallocated corporate activity $ (8,482) $ (8,648) $ (25,331) $ (23,269)