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Condensed Consolidated Statements of Changes in Redeemable Non-Controlling Interests and Stockholders' Equity - USD ($) $ in Thousands | Total | Class A Common Stock | Class B Common Stock | Common Stock Class A Common Stock | Common Stock Class B Common Stock | Additional Paid-in Capital | Retained Earnings | Accumulated Other Comprehensive Loss | Treasury Stock | Non-controlling Interests
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Redeemable non-controlling interests, beginning balance at Dec. 31, 2021 | $ 46,182 |  |  |  |  |  |  |  |  |
Redeemable Non-controlling Interests |  |  |  |  |  |  |  |  |  |
Distributions to redeemable non-controlling interests | (863) |  |  |  |  |  |  |  |  |
Accretion of tax equity financing fees | 81 |  |  |  |  |  |  |  |  |
Investment fund call option exercise | (238) |  |  |  |  |  |  |  |  |
Net income | 2,915 |  |  |  |  |  |  |  |  |
Redeemable non-controlling interests, ending balance at Sep. 30, 2022 | 48,077 |  |  |  |  |  |  |  |  |
Beginning balance (in shares) at Dec. 31, 2021 |  |  |  | 33,716,309 | 18,000,000 |  |  |  |  |
Treasury stock, beginning balance (in shares) at Dec. 31, 2021 |  |  |  |  |  |  |  |  | 2,101,795 |
Beginning balance at Dec. 31, 2021 | 704,264 |  |  | $ 3 | $ 2 | $ 283,982 | $ 438,732 | $ (6,667) | $ (11,788) | $ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |
Exercise of stock options (in shares) |  |  |  | 180,888 |  |  |  |  |  |
Exercise of stock options | 3,482 |  |  |  |  | 3,482 |  |  |  |
Stock-based compensation expense | 10,837 |  |  |  |  | 10,837 |  |  |  |
Employee stock purchase plan (in shares) |  |  |  | 16,996 |  |  |  |  |  |
Employee stock purchase plan | 948 |  |  |  |  | 948 |  |  |  |
Unrealized gain from interest rate hedges, net | 6,033 |  |  |  |  |  |  | 6,033 |  |
Foreign currency translation adjustment | (5,016) |  |  |  |  |  |  | (5,016) |  |
Accretion of tax equity financing fees | (81) |  |  |  |  |  | (81) |  |  |
Investment fund call option exercise | 238 |  |  |  |  | 238 |  |  |  |
Contributions from non-controlling interests | 16,844 |  |  |  |  |  |  |  |  | 16,844
Net (loss) income | 76,991 |  |  |  |  |  | 76,991 |  |  |
Ending balance (in shares) at Sep. 30, 2022 |  |  |  | 33,914,193 | 18,000,000 |  |  |  |  |
Treasury stock, ending balance (in shares) at Sep. 30, 2022 |  |  |  |  |  |  |  |  | 2,101,795 |
Ending balance at Sep. 30, 2022 | 814,540 |  |  | $ 3 | $ 2 | 299,487 | 515,642 | (5,650) | $ (11,788) | 16,844
Redeemable non-controlling interests, beginning balance at Jun. 30, 2022 | 47,918 |  |  |  |  |  |  |  |  |
Redeemable Non-controlling Interests |  |  |  |  |  |  |  |  |  |
Distributions to redeemable non-controlling interests | (212) |  |  |  |  |  |  |  |  |
Accretion of tax equity financing fees | 27 |  |  |  |  |  |  |  |  |
Net income | 344 |  |  |  |  |  |  |  |  |
Redeemable non-controlling interests, ending balance at Sep. 30, 2022 | 48,077 |  |  |  |  |  |  |  |  |
Beginning balance (in shares) at Jun. 30, 2022 |  |  |  | 33,833,893 | 18,000,000 |  |  |  |  |
Treasury stock, beginning balance (in shares) at Jun. 30, 2022 |  |  |  |  |  |  |  |  | 2,101,795 |
Beginning balance at Jun. 30, 2022 | 781,567 |  |  | $ 3 | $ 2 | 294,240 | 488,278 | (4,354) | $ (11,788) | 15,186
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |
Exercise of stock options (in shares) |  |  |  | 80,300 |  |  |  |  |  |
Exercise of stock options | 1,616 |  |  |  |  | 1,616 |  |  |  |
Stock-based compensation expense | 3,631 |  |  |  |  | 3,631 |  |  |  |
Unrealized gain from interest rate hedges, net | 1,757 |  |  |  |  |  |  | 1,757 |  |
Foreign currency translation adjustment | (3,053) |  |  |  |  |  |  | (3,053) |  |
Accretion of tax equity financing fees | (27) |  |  |  |  |  | (27) |  |  |
Contributions from non-controlling interests | 1,658 |  |  |  |  |  |  |  |  | 1,658
Net (loss) income | 27,391 |  |  |  |  |  | 27,391 |  |  |
Ending balance (in shares) at Sep. 30, 2022 |  |  |  | 33,914,193 | 18,000,000 |  |  |  |  |
Treasury stock, ending balance (in shares) at Sep. 30, 2022 |  |  |  |  |  |  |  |  | 2,101,795 |
Ending balance at Sep. 30, 2022 | 814,540 |  |  | $ 3 | $ 2 | 299,487 | 515,642 | (5,650) | $ (11,788) | 16,844
Redeemable non-controlling interests, beginning balance at Dec. 31, 2022 | 46,623 |  |  |  |  |  |  |  |  |
Redeemable Non-controlling Interests |  |  |  |  |  |  |  |  |  |
Distributions to redeemable non-controlling interests | (494) |  |  |  |  |  |  |  |  |
Accretion of tax equity financing fees | 81 |  |  |  |  |  |  |  |  |
Investment fund call option exercise | 195 |  |  |  |  |  |  |  |  |
Net income | 870 |  |  |  |  |  |  |  |  |
Redeemable non-controlling interests, ending balance at Sep. 30, 2023 | $ 47,275 |  |  |  |  |  |  |  |  |
Beginning balance (in shares) at Dec. 31, 2022 |  | 33,948,362 | 18,000,000 | 33,948,362 | 18,000,000 |  |  |  |  |
Treasury stock, beginning balance (in shares) at Dec. 31, 2022 | 2,101,795 |  |  |  |  |  |  |  | 2,101,795 |
Beginning balance at Dec. 31, 2022 | $ 873,031 |  |  | $ 3 | $ 2 | 306,314 | 533,549 | (4,051) | $ (11,788) | 49,002
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |
Exercise of stock options (in shares) |  |  |  | 238,750 |  |  |  |  |  |
Exercise of stock options | 2,367 |  |  |  |  | 2,367 |  |  |  |
Stock-based compensation expense | 12,318 |  |  |  |  | 12,318 |  |  |  |
Employee stock purchase plan (in shares) |  |  |  | 24,833 |  |  |  |  |  |
Employee stock purchase plan | 1,017 |  |  |  |  | 1,017 |  |  |  |
Restricted stock units released (in shares) |  |  |  | 22,601 |  |  |  |  |  |
Unrealized gain from interest rate hedges, net | 716 |  |  |  |  |  |  | 716 |  |
Foreign currency translation adjustment | (425) |  |  |  |  |  |  | (400) |  | (25)
Accretion of tax equity financing fees | (81) |  |  |  |  |  | (81) |  |  |
Investment fund call option exercise | (195) |  |  |  |  | (195) |  |  |  |
Contributions from non-controlling interests | 957 |  |  |  |  |  |  |  |  | 957
Distributions to non-controlling interest | (20,521) |  |  |  |  |  |  |  |  | (20,521)
Net (loss) income | $ 29,942 |  |  |  |  |  | 28,735 |  |  | 1,207
Ending balance (in shares) at Sep. 30, 2023 |  | 34,234,546 | 18,000,000 | 34,234,546 | 18,000,000 |  |  |  |  |
Treasury stock, ending balance (in shares) at Sep. 30, 2023 | 2,101,795 |  |  |  |  |  |  |  | 2,101,795 |
Ending balance at Sep. 30, 2023 | $ 899,126 |  |  | $ 3 | $ 2 | 321,821 | 562,203 | (3,735) | $ (11,788) | 30,620
Redeemable non-controlling interests, beginning balance at Jun. 30, 2023 | 47,994 |  |  |  |  |  |  |  |  |
Redeemable Non-controlling Interests |  |  |  |  |  |  |  |  |  |
Distributions to redeemable non-controlling interests | (159) |  |  |  |  |  |  |  |  |
Accretion of tax equity financing fees | 26 |  |  |  |  |  |  |  |  |
Net income | (586) |  |  |  |  |  |  |  |  |
Redeemable non-controlling interests, ending balance at Sep. 30, 2023 | 47,275 |  |  |  |  |  |  |  |  |
Beginning balance (in shares) at Jun. 30, 2023 |  |  |  | 34,200,610 | 18,000,000 |  |  |  |  |
Treasury stock, beginning balance (in shares) at Jun. 30, 2023 |  |  |  |  |  |  |  |  | 2,101,795 |
Beginning balance at Jun. 30, 2023 | 873,983 |  |  | $ 3 | $ 2 | 317,228 | 540,964 | (2,884) | $ (11,788) | 30,458
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |
Exercise of stock options (in shares) |  |  |  | 22,150 |  |  |  |  |  |
Exercise of stock options | 274 |  |  |  |  | 274 |  |  |  |
Stock-based compensation expense | 4,319 |  |  |  |  | 4,319 |  |  |  |
Restricted stock units released (in shares) |  |  |  | 11,786 |  |  |  |  |  |
Unrealized gain from interest rate hedges, net | 764 |  |  |  |  |  |  | 764 |  |
Foreign currency translation adjustment | (1,651) |  |  |  |  |  |  | (1,615) |  | (36)
Accretion of tax equity financing fees | (26) |  |  |  |  |  | (26) |  |  |
Contributions from non-controlling interests | 35 |  |  |  |  |  |  |  |  | 35
Net (loss) income | $ 21,428 |  |  |  |  |  | 21,265 |  |  | 163
Ending balance (in shares) at Sep. 30, 2023 |  | 34,234,546 | 18,000,000 | 34,234,546 | 18,000,000 |  |  |  |  |
Treasury stock, ending balance (in shares) at Sep. 30, 2023 | 2,101,795 |  |  |  |  |  |  |  | 2,101,795 |
Ending balance at Sep. 30, 2023 | $ 899,126 |  |  | $ 3 | $ 2 | $ 321,821 | $ 562,203 | $ (3,735) | $ (11,788) | $ 30,620

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