CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
Additional Paid-In Capital [Member]
Accumulated Deficit [Member]
Convertible Preferred Stock [Member]
Common Stock Class A [Member]
Common Stock Class B [Member]
Common Stock Class C [Member]
Class D common stock
Total
BALANCE at Dec. 31, 2018 $ 978,628 $ (803,534) $ 0 $ 2 $ 3 $ 3 $ 39 $ 175,141
Consolidated net loss 0 (3,104) 0 0 0 0 0 (3,104)
Repurchase of shares of Class D common stock (2,447) 0 0 0 0 0 (1) (2,448)
Exercise of options for common stock 29 0 0 0 0 0 0 29
Adjustment of redeemable noncontrolling interests to estimated redemption value (44) 0 0 0 0 0 0 (44)
Issuance of shares of Class D common stock 1,609 0 0 0 0 0 0 1,609
Stock-based compensation expense 511 0 0 0 0 0 0 511
BALANCE at Mar. 31, 2019 978,286 (800,835) 0 2 3 3 38 177,497
Adoption of ASC 842 0 5,803 0 0 0 0 0 5,803
BALANCE at Dec. 31, 2019 979,834 (796,806) 0 2 3 3 39 183,075
Consolidated net loss 0 (23,187) 0 0 0 0 0 (23,187)
Repurchase of shares of Class D common stock (1,013) 0 0 0 0 0 (1) (1,014)
Adjustment of redeemable noncontrolling interests to estimated redemption value (599) 0 0 0 0 0 0 (599)
Stock-based compensation expense 393 0 0 0 0 0 0 393
BALANCE at Mar. 31, 2020 $ 978,615 $ (819,993) $ 0 $ 2 $ 3 $ 3 $ 38 $ 158,668