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Equity Method Investments
 9 Months Ended
Sep. 30, 2021
Equity Method Investments and Joint Ventures [Abstract]  
Equity Method Investments Equity Method Investments
Tinuum Group, LLC
As of September 30, 2021 and December 31, 2020, the Company's ownership interest in Tinuum Group was 42.5%. Tinuum Group supplies technology equipment and technical services at select coal-fired generators, but its primary purpose is to put into operation facilities that produce and sell RC that lower emissions and also qualify for Section 45 tax credits. The Company concluded that Tinuum Group was a VIE, but the Company does not have the power to direct the activities that most significantly impact Tinuum Group's economic performance, as the voting partners of Tinuum Group have identical voting rights, equity control interests and board control interests, and therefore power is shared. Accordingly, the Company has accounted for its investment in Tinuum Group under the equity method of accounting since inception.
The following table summarizes the results of operations of Tinuum Group:
Three Months Ended September 30,Nine Months Ended September 30,
(in thousands)2021202020212020
Gross (loss) profit$(3,226)$101 $8,269 $11,979 
Operating, selling, general and administrative expenses12,077 13,781 38,308 38,476 
Loss from operations(15,303)(13,680)(30,039)(26,497)
Other income (expenses), net6,027 5,739 10,030 11,526 
Loss attributable to noncontrolling interest34,551 25,023 99,167 63,117 
Net income available to members$25,275 $17,082 $79,158 $48,146 
ADES equity earnings from Tinuum Group$19,975 $7,260 $55,462 $20,462 
For the three and nine months ended September 30, 2021, the Company recognized earnings from Tinuum Group's net income available to members that were different from its pro-rata share of Tinuum Group's net income available to members, as cash distributions for the three and nine months ended September 30, 2021 exceeded the carrying value of the Tinuum Group equity investment. For 2021, the Company expects to recognize such excess contributions as equity method earnings in the period the distributions occur, limited to the carrying value of the Tinuum Group equity investment. For the three and nine months ended September 30, 2020, the Company recognized its pro-rata share of Tinuum Group's net income available to its members for the respective period.
The following tables present the Company's investment balance, equity earnings and cash distributions in excess of the investment balance, if any, for the three and nine months ended September 30, 2021 and 2020 (in thousands):
DescriptionDate(s)Investment balanceADES equity earningsCash distributionsMemorandum Account: Cash distributions and equity earnings in (excess) of investment balance
Beginning balance12/31/2020$3,387 $— $— $— 
ADES proportionate share of income from Tinuum GroupFirst Quarter10,755 10,755 — — 
Cash distributions from Tinuum GroupFirst Quarter(19,749)— 19,749 — 
Adjustment for current year cash distributions in excess of investment balanceFirst Quarter5,607 5,607 — (5,607)
Total investment balance, equity earnings and cash distributions3/31/2021— $16,362 $19,749 (5,607)
ADES proportionate share of income from Tinuum GroupSecond Quarter12,146 $12,146 $— — 
Recovery of prior cash distributions in excess of investment balance (prior to cash distributions)Second Quarter(5,607)(5,607)— 5,607 
Cash distributions from Tinuum GroupSecond Quarter(19,125)— 19,125 — 
Adjustment for current year cash distributions in excess of investment balanceSecond Quarter12,586 12,586 — (12,586)
Total investment balance, equity earnings and cash distributions6/30/2021$— $19,125 $19,125 $(12,586)
ADES proportionate share of income from Tinuum GroupThird Quarter$10,742 $10,742 $— $— 
Recovery of prior cash distributions in excess of investment balance (prior to cash distributions)Third Quarter(12,586)(12,586)— 12,586 
Cash distributions from Tinuum GroupThird Quarter(19,975)— 19,975 — 
Adjustment for current year cash distributions in excess of investment balanceThird Quarter21,819 21,819 (21,819)
Total investment balance, equity earnings and cash distributions9/30/2021$— $19,975 $19,975 $(21,819)
DescriptionDate(s)Investment balanceADES equity earningsCash distributions
Beginning balance12/31/2019$32,280 $— $— 
ADES proportionate share of income from Tinuum GroupFirst Quarter6,438 6,438 — 
Cash distributions from Tinuum GroupFirst Quarter(13,764)— 13,764 
Total investment balance, equity earnings and cash distributions3/31/202024,954 $6,438 $13,764 
ADES proportionate share of income from Tinuum GroupSecond Quarter$6,764 $6,764 $— 
Cash distributions from Tinuum GroupSecond Quarter(13,600)— 13,600 
Total investment balance, equity earnings and cash distributions6/30/202018,118 $6,764 $13,600 
ADES proportionate share of income from Tinuum GroupThird Quarter$7,260 $7,260 $— 
Cash distributions from Tinuum GroupThird Quarter(7,862)— 7,862 
Total investment balance, equity earnings and cash distributions9/30/2020$17,516 $7,260 $7,862 
Tinuum Services, LLC
The Company has a 50% voting and economic interest in Tinuum Services as of September 30, 2021 and December 31, 2020. The Company determined that Tinuum Services was not a VIE and further evaluated it for consolidation under the voting interest model. Because the Company does not own greater than 50% of the outstanding voting shares, either directly or indirectly, it has accounted for its investment in Tinuum Services under the equity method of accounting since inception. As of September 30, 2021 and December 31, 2020, the Company’s investment in Tinuum Services was $2.8 million and $4.2 million, respectively.
The following table summarizes the results of operations of Tinuum Services:
 Three Months Ended September 30,Nine Months Ended September 30,
(in thousands)2021202020212020
Gross loss$(20,389)$(22,764)$(61,552)$(65,441)
Operating, selling, general and administrative expenses42,346 42,435 144,068 131,703 
Loss from operations(62,735)(65,199)(205,620)(197,144)
Other income (expenses), net3,204 (363)2,810 (978)
Loss attributable to noncontrolling interest63,977 70,075 215,779 209,118 
Net income$4,446 $4,513 $12,969 $10,996 
ADES equity earnings from Tinuum Services$2,223 $2,257 $6,485 $5,498 
Included in the Consolidated Statements of Operations of Tinuum Services for the three and nine months ended September 30, 2021 and 2020 were losses attributable to noncontrolling interests of Tinuum Services' VIE entities, which were eliminated in the calculations of Tinuum Services' net income attributable to the Company's interest.
The following table details the carrying value of the Company's respective equity method investments included in the Equity method investments line item on the Condensed Consolidated Balance Sheets and indicates the Company's maximum exposure to loss:
 As of
(in thousands)September 30,
2021		December 31,
2020
Equity method investment in Tinuum Group$— $3,387 
Equity method investment in Tinuum Services2,824 4,242 
Equity method investment in other60 63 
Total equity method investments$2,884 $7,692 
The following table details the components of the Company's respective equity method investments included in the Earnings from equity method investments line item on the Condensed Consolidated Statements of Operations:
Three Months Ended September 30,Nine Months Ended September 30,
(in thousands)2021202020212020
Earnings from Tinuum Group$19,975 $7,260 $55,462 $20,462 
Earnings from Tinuum Services2,223 2,257 6,485 5,498 
(Loss) earnings from other(3)1 (3)(1)
Earnings from equity method investments$22,195 $9,518 $61,944 $25,959 
The following table details the components of the cash distributions from the Company's respective equity method investments included as a component of cash flows from operating activities and investing activities in the Condensed Consolidated Statements of Cash Flows. Distributions from equity method investees are reported in the Condensed Consolidated Statements of Cash Flows as "Distributions from equity method investees, return on investment" within Operating cash flows until such time as the carrying value in an equity method investee company is reduced to zero. Thereafter, such distributions are reported as "distributions in excess of cumulative earnings" as a component of cash flows from investing activities.
Nine Months Ended September 30,
(in thousands)20212020
Distributions from equity method investees, return on investment
Tinuum Group$14,142 $35,226 
Tinuum Services7,902 7,002 
$22,044 $42,228 
Distributions from equity method investees in excess of investment basis
Tinuum Group$44,707 $— 
$44,707 $—