Condensed Financial Information of Parent Company - Schedule of Parent-only Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Assets
Total assets	$ 1,470,114	$ 386,796
Liabilities, redeemable convertible preferred stock and stockholders' equity (deficit)
Total liabilities	758,755	737,369
Redeemable convertible preferred stock
Redeemable convertible preferred stock, $0.006 par value; zero and 130,000 shares authorized at December 31, 2020 and December 31, 2019, respectively; and zero and 126,046 shares issued and outstanding at December 31, 2020 and December 31, 2019, respectively		737,009
Stockholders' equity (deficit)
Additional paid-in capital	2,101,773	8,788
Accumulated deficit	(1,390,453)	(1,096,830)
Total stockholders' equity (deficit)	711,359	(1,087,582)	$ (1,162,427)	$ (31,753)
Total liabilities, redeemable convertible preferred stock and stockholders' equity (deficit)	1,470,114	386,796
Common Stock
Stockholders' equity (deficit)
Common stock		460
Total stockholders' equity (deficit)		460	$ 451	$ 157
Class A and Class B Common Stock
Stockholders' equity (deficit)
Common stock	39
Total stockholders' equity (deficit)	39
GoodRx Holdings, Inc
Assets
Cash	5	110
Other asset	57	147
Investment in subsidiary, net of distributions	711,384
Total assets	711,446	257
Liabilities, redeemable convertible preferred stock and stockholders' equity (deficit)
Investment in subsidiary, net of distributions		350,830
Other current liabilities	87
Total liabilities	87	350,830
Redeemable convertible preferred stock
Redeemable convertible preferred stock, $0.006 par value; zero and 130,000 shares authorized at December 31, 2020 and December 31, 2019, respectively; and zero and 126,046 shares issued and outstanding at December 31, 2020 and December 31, 2019, respectively		737,009
Stockholders' equity (deficit)
Additional paid-in capital	2,101,773	8,788
Accumulated deficit	(1,390,453)	(1,096,830)
Total stockholders' equity (deficit)	711,359	(1,087,582)
Total liabilities, redeemable convertible preferred stock and stockholders' equity (deficit)	711,446	257
GoodRx Holdings, Inc | Common Stock
Stockholders' equity (deficit)
Common stock		$ 460
GoodRx Holdings, Inc | Class A and Class B Common Stock
Stockholders' equity (deficit)
Common stock	$ 39