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CONSOLIDATED STATEMENTS OF MEMBERS' EQUITY (FY) - USD ($) | Common Stock Class A-1 Units | Common Stock Class A-2 Units | Common Stock Class A-3 Units/B Units | Retained Earnings | Total
--- | --- | --- | --- | --- | ---
Beginning balance at Dec. 31, 2017 | $ 4,546,847 | $ 0 | $ 0 | $ 8,891,183 | $ 13,438,030
Members' Equity [Roll Forward] |  |  |  |  |
Sale of Class A Units | 0 | 17,553,601 | 0 | 0 | 17,553,601
Distributions | (524,894) | (66,840) | 0 | (10,832,926) | (11,424,660)
Repurchase of Class B Units | 0 | 0 | 0 | (1,694,407) | (1,694,407)
Deemed distribution on divestiture of controlled entities | 0 | 0 | 0 | (428,417) | (428,417)
Net income | 0 | 0 | 0 | 12,679,511 | 12,679,511
Ending balance at Dec. 31, 2018 | 4,021,953 | 17,486,761 | 0 | 8,614,944 | 30,123,658
Members' Equity [Roll Forward] |  |  |  |  |
Distributions | (715,031) | (378,018) | 0 | (14,289,441) | (15,382,490)
Repurchase of Class B Units | 0 | 0 | 0 | (1,566,728) | (1,566,728)
Deemed distribution on divestiture of controlled entities |  |  |  |  | 0
Net income | 0 | 0 | 0 | (375,685) | (375,685)
Ending balance at Dec. 31, 2019 | 3,306,922 | 17,108,743 | 0 | (7,616,910) | 12,798,755
Members' Equity [Roll Forward] |  |  |  |  |
Distributions |  |  |  |  | (3,123,000)
Repurchase of Class B Units |  |  |  |  | (90,000)
Net income |  |  |  |  | 3,809,000
Ending balance at Mar. 31, 2020 |  |  |  |  | 13,395,000
Beginning balance at Dec. 31, 2019 | 3,306,922 | 17,108,743 | 0 | (7,616,910) | 12,798,755
Members' Equity [Roll Forward] |  |  |  |  |
Net income |  |  |  |  | 28,732,000
Ending balance at Sep. 30, 2020 |  |  |  |  | 32,032,000
Beginning balance at Dec. 31, 2019 | 3,306,922 | 17,108,743 | 0 | (7,616,910) | 12,798,755
Members' Equity [Roll Forward] |  |  |  |  |
Distributions | (762,924) | (243,842) |  | (20,944,766) | (21,951,532)
Repurchase of Class B Units |  |  |  | (406,481) | (406,481)
Deemed distribution on divestiture of controlled entities |  |  |  |  | 0
Net income |  |  |  | 38,829,993 | 38,829,993
Ending balance at Dec. 31, 2020 | 2,543,998 | 16,864,901 | 0 | 9,861,836 | 29,270,735
Beginning balance at Mar. 31, 2020 |  |  |  |  | 13,395,000
Members' Equity [Roll Forward] |  |  |  |  |
Distributions |  |  |  |  | (2,744,000)
Repurchase of Class B Units |  |  |  |  | (105,000)
Net income |  |  |  |  | 9,393,000
Ending balance at Jun. 30, 2020 |  |  |  |  | 19,939,000
Members' Equity [Roll Forward] |  |  |  |  |
Distributions |  |  |  |  | (3,331,000)
Repurchase of Class B Units |  |  |  |  | (106,000)
Net income |  |  |  |  | 15,530,000
Ending balance at Sep. 30, 2020 |  |  |  |  | 32,032,000
Beginning balance at Dec. 31, 2020 | 2,543,998 | 16,864,901 | 0 | 9,861,836 | 29,270,735
Members' Equity [Roll Forward] |  |  |  |  |
Distributions |  |  |  |  | (10,513,000)
Repurchase of Class B Units |  |  |  |  | (106,000)
Net income |  |  |  |  | 7,731,000
Ending balance at Mar. 31, 2021 |  |  |  |  | 26,383,000
Beginning balance at Dec. 31, 2020 | $ 2,543,998 | $ 16,864,901 | $ 0 | $ 9,861,836 | 29,270,735
Members' Equity [Roll Forward] |  |  |  |  |
Net income |  |  |  |  | 25,098,000
Ending balance at Sep. 30, 2021 |  |  |  |  | 0
Beginning balance at Mar. 31, 2021 |  |  |  |  | 26,383,000
Members' Equity [Roll Forward] |  |  |  |  |
Distributions |  |  |  |  | (7,597,000)
Repurchase of Class B Units |  |  |  |  | (5,459,000)
Ending balance at Jun. 30, 2021 |  |  |  |  | 0
Members' Equity [Roll Forward] |  |  |  |  |
Net income |  |  |  |  | 20,835,000
Ending balance at Sep. 30, 2021 |  |  |  |  | $ 0

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