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CONSOLIDATED BALANCE SHEETS (FY) (Parenthetical) - $ / shares	Dec. 31, 2020	Dec. 31, 2019
Class A-1 Units
Members' equity
Common units, par value (in dollars per share)	$ 0	$ 0
Common units, shares authorized (in shares)	821,769	821,769
Common units, shares issued (in shares)	821,769	821,769
Common units, shares outstanding (in shares)	821,769	821,769
Class A-2 Units
Members' equity
Common units, par value (in dollars per share)	$ 0	$ 0
Common units, shares authorized (in shares)	34,264	34,264
Common units, shares issued (in shares)	24,058	24,058
Common units, shares outstanding (in shares)	24,058	24,058
Class A-3 Units
Members' equity
Common units, par value (in dollars per share)	$ 0	$ 0
Common units, shares authorized (in shares)	274,822	274,667
Common units, shares issued (in shares)	53,333	53,333
Common units, shares outstanding (in shares)	53,333	53,333
Class B Units
Members' equity
Common units, par value (in dollars per share)	$ 0	$ 0
Common units, shares authorized (in shares)	274,822	274,667
Common units, shares issued (in shares)	221,483	210,744
Common units, shares outstanding (in shares)	221,483	210,744

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- Definition

Face amount or stated value per share of common stock.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

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