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v3.21.1

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
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Redeemable non-controlling interests, beginning balance at Dec. 31, 2019 | $ 31,616 |  |  |  |  |  |  |  |
Increase (Decrease) in Temporary Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Distributions to redeemable non-controlling interests | (112) |  |  |  |  |  |  |  |
Net income | 435 |  |  |  |  |  |  |  |
Redeemable non-controlling interests, ending balance at Mar. 31, 2020 | 31,939 |  |  |  |  |  |  |  |
Beginning balance (in shares) at Dec. 31, 2019 |  |  |  | 29,230,005 | 18,000,000 |  |  |  | 2,101,340
Beginning balance at Dec. 31, 2019 | 428,856 |  |  | $ 3 | $ 2 | $ 133,688 | $ 314,459 | $ (7,514) | $ (11,782)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Exercise of stock options (in shares) |  |  |  | 280,611 |  |  |  |  |
Exercise of stock options | 2,474 |  |  |  |  | 2,474 |  |  |
Stock-based compensation expense | 429 |  |  |  |  | 429 |  |  |
Open market purchase of common shares (in shares) |  |  |  | (455) |  |  |  |  | 455
Open market purchase of common shares | (6) |  |  |  |  |  |  |  | $ (6)
Unrealized gain (loss) from interest rate hedges, net | (3,465) |  |  |  |  |  |  | (3,465) |
Foreign currency translation adjustment | (2,312) |  |  |  |  |  |  | (2,312) |
Net income | 6,201 |  |  |  |  |  | 6,201 |  |
Ending balance (in shares) at Mar. 31, 2020 |  |  |  | 29,510,161 | 18,000,000 |  |  |  | 2,101,795
Ending balance at Mar. 31, 2020 | 432,177 |  |  | $ 3 | $ 2 | 136,591 | 320,660 | (13,291) | $ (11,788)
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 | 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)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Equity offering, net of offering costs of $6,284 (in shares) |  |  |  | 2,875,000 |  |  |  |  |
Equity offering, net of offering costs of $6,284 | 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 | 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)

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