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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 Interest
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Redeemable non-controlling interests, beginning balance at Dec. 31, 2020 | $ 38,850 |  |  |  |  |  |  |  |  |
Increase (Decrease) in Temporary Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |
Tax equity financing fees | (17) |  |  |  |  |  |  |  |  |
Distributions to redeemable non-controlling interests | (453) |  |  |  |  |  |  |  |  |
Accretion of tax equity financing fees | 31 |  |  |  |  |  |  |  |  |
Net income | 1,257 |  |  |  |  |  |  |  |  |
Redeemable non-controlling interests, ending balance at Mar. 31, 2021 | 39,668 |  |  |  |  |  |  |  |  |
Beginning balance (in shares) at Dec. 31, 2020 |  |  |  | 30,224,654 | 18,000,000 |  |  |  | (2,101,795) |
Beginning balance at Dec. 31, 2020 | 492,813 |  |  | $ 3 | $ 2 | $ 145,496 | $ 368,390 | $ (9,290) | $ (11,788) | $ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |
Equity offering cost adjustment (in shares) |  |  |  | 2,875,000 |  |  |  |  |  |
Equity offering cost adjustment | 120,216 |  |  |  |  | 120,216 |  |  |  |
Exercise of stock options (in shares) |  |  |  | 166,271 |  |  |  |  |  |
Exercise of stock options | 1,386 |  |  |  |  | 1,386 |  |  |  |
Stock-based compensation expense | 766 |  |  |  |  | 766 |  |  |  |
Unrealized gain (loss) from interest rate hedges, net | 2,118 |  |  |  |  |  |  | 2,118 |  |
Foreign currency translation adjustment | 413 |  |  |  |  |  |  | 413 |  |
Accretion of tax equity financing fees | (31) |  |  |  |  |  | (31) |  |  |
Net income | 11,174 |  |  |  |  |  | 11,174 |  |  |
Ending balance (in shares) at Mar. 31, 2021 |  |  |  | 33,265,925 | 18,000,000 |  |  |  | (2,101,795) |
Ending balance at Mar. 31, 2021 | 628,855 |  |  | $ 3 | $ 2 | 267,864 | 379,533 | (6,759) | $ (11,788) | 0
Redeemable non-controlling interests, beginning balance at Dec. 31, 2021 | 46,182 |  |  |  |  |  |  |  |  |
Increase (Decrease) in Temporary Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |
Distributions to redeemable non-controlling interests | (448) |  |  |  |  |  |  |  |  |
Accretion of tax equity financing fees | 28 |  |  |  |  |  |  |  |  |
Investment fund call option exercise | (238) |  |  |  |  |  |  |  |  |
Net income | 1,914 |  |  |  |  |  |  |  |  |
Redeemable non-controlling interests, ending balance at Mar. 31, 2022 | 47,438 |  |  |  |  |  |  |  |  |
Beginning balance (in shares) at Dec. 31, 2021 |  | 33,716,309 | 18,000,000 | 33,716,309 | 18,000,000 |  |  |  | (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] |  |  |  |  |  |  |  |  |  |
Equity offering cost adjustment (in shares) |  |  |  | 92,655 |  |  |  |  |  |
Exercise of stock options | 1,708 |  |  |  |  | 1,708 |  |  |  |
Stock-based compensation expense | 3,531 |  |  |  |  | 3,531 |  |  |  |
Unrealized gain (loss) from interest rate hedges, net | 2,711 |  |  |  |  |  |  | 2,711 |  |
Foreign currency translation adjustment | 67 |  |  |  |  |  |  | 67 |  |
Accretion of tax equity financing fees | (28) |  |  |  |  |  | (28) |  |  |
Investment fund call option exercise | 238 |  |  |  |  | 238 |  |  |  |
Contributions from non-controlling interest | 6,335 |  |  |  |  |  |  |  |  | 6,335
Net income | 17,384 |  |  |  |  |  | 17,384 |  |  |
Ending balance (in shares) at Mar. 31, 2022 |  | 33,808,964 | 18,000,000 | 33,808,964 | 18,000,000 |  |  |  | (2,101,795) |
Ending balance at Mar. 31, 2022 | $ 736,210 |  |  | $ 3 | $ 2 | $ 289,459 | $ 456,088 | $ (3,889) | $ (11,788) | $ 6,335

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