| Cover | 12 Months Ended |
| Dec. 31, 2022 | |
| Document Information [Line Items] | |
| Document Type | DEF 14A |
| Amendment Flag | false |
| Entity Information [Line Items] | |
| Entity Registrant Name | HCI GROUP, INC. |
| Entity Central Index Key | 0001400810 |
| Pay vs Performance Disclosure - USD ($) | 12 Months Ended | ||
| Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | |
| Pay vs Performance Disclosure [Table] | |||
| Pay vs Performance [Table Text Block] | Pay versus Performance Table Value of Initial Fixed Year Summary (1) Compensation (2) Average Non-CEO Average Non-CEO (3) HCI (4) Core (5) Net Income (6) Relative (7) 2022 $ 1,031,115 ($ 23,921,916 ) $ 450,085 ($ 2,249,190 ) $ 94 $ 31 ($ 54,603 ) 100 th 2021 7,736,699 29,124,167 2,819,434 5,193,003 193 51 7,242 100 th 2020 5,229,467 6,847,494 541,296 613,826 118 56 27,580 100 th 1) Paresh Patel was our Chief Executive Officer in all years reported. 2) Compensation actually paid (“CAP”) was calculated by beginning with the total amount reported in the Summary Compensation Table (the “SCT”) for the applicable year, (i) subtracting the grant date fair value of stock awards reported in the Stock Awards column of the SCT, (ii) subtracting the grant date fair value of option awards reported in the Option Awards column of the SCT, (iii) adding or subtracting the change in fair value of stock awards for the applicable year, and (iv) adding or subtracting the change in fair value of option awards for the applicable year. Fair value amounts were computed in a manner consistent with the fair value methodology used to account for share-based payments in our financial statements under GAAP. The CAP paid to the CEO and average CAP paid to the non-CEO The following is a reconciliation of the SCT total and the CAP for the CEO for each of the applicable years. Reconciliation of SCT Total for CEO to Compensation Actually Paid to CEO: 2022 2021 2020 SCT Total $ 1,031,115 $ 7,736,699 $ 5,229,467 Subtract: grant date fair value of stock and option awards granted as disclosed in the SCT 0 (6,873,468 ) (3,072,698 ) Add: year-end 0 21,882,036 3,634,200 Add or subtract: change in fair value of stock and option awards granted in prior years that remained unvested at the end of the covered year (19,815,803 ) 6,065,125 1,084,575 Add or subtract: change in fair value of stock awards and option awards granted in prior years that vested in the covered year (5,137,228 ) 313,775 (28,050 ) Add or subtract: fair value on vesting date of stock or option awards granted and vested in the covered year 0 0 0 Subtract: fair value of stock or option awards at the end of the prior year that were forfeited during the covered year 0 0 0 CAP ($ 23,921,916 ) $ 29,124,167 $ 6,847,494 3) Paresh CAP for the other named executive officers was calculated in the same manner as described above for the CEO, except the amounts were averaged for each year. Following is a reconciliation of the average SCT total and the average CAP for the named executive officers, other than the CEO, for each of the applicable years. The names of each of our named executive officers (excluding Mr. Patel) included for purposes of calculating the average amounts for each applicable year are Karin Coleman, Mark Harmsworth, Andrew Graham, and Anthony Saravanos. Reconciliation of average SCT total for other NEOs to Compensation Actually Paid to other NEOs: 2022 2021 2020 SCT Total $ 450,085 $ 2,819,434 $ 541,296 Subtract: grant date fair value of stock and option awards granted as disclosed in the SCT 0 (2,392,760 ) (159,355 ) Add: year-end 0 4,525,780 183,050 Add or subtract: change in fair value of stock and option awards granted in prior years that remained unvested at the end of the covered year (1,632,056 ) 164,010 32,627 Add or subtract: change in fair value of stock awards and option awards granted in prior years that vested in the covered year (1,067,219 ) 76,539 16,208 Add or subtract: fair value on vesting date of stock or option awards granted and vested in the covered year 0 0 0 Subtract: fair value of stock or option awards at the end of the prior year that were forfeited during the covered year 0 0 0 CAP ($ 2,249,190 ) $ 5,193,003 $ 613,826 4) HCI Group Total Shareholder Return (“TSR”) represents the cumulative investment return of an initial fixed $100 investment in our common stock on December 31, 2019, assuming reinvestment of all dividends, through the end of the covered fiscal year. The HCI Group TSR reflected in the table above may not be indicative of future performance. 5) Core Peer Group TSR represents the combined cumulative investment return of an initial fixed $100 investment in each of the companies comprising our core peer group, weighted by market capitalization at the beginning of each year. The companies are Universal Insurance Holdings, Inc., Heritage Insurance Holdings, Inc., United Insurance Holdings Corporation, and FedNat Holding Company. 6) Reflects net income before non-controlling 10-K 7) Total Shareholder Return, relative to our core peer group, is our company selected financial performance measure that we believe is most important in influencing NEO pay. | ||
| Company Selected Measure Name | Relative Total Shareholder Return | ||
| Named Executive Officers, Footnote [Text Block] | The names of each of our named executive officers (excluding Mr. Patel) included for purposes of calculating the average amounts for each applicable year are Karin Coleman, Mark Harmsworth, Andrew Graham, and Anthony Saravanos. | ||
| Peer Group Issuers, Footnote [Text Block] | Core Peer Group TSR represents the combined cumulative investment return of an initial fixed $100 investment in each of the companies comprising our core peer group, weighted by market capitalization at the beginning of each year. The companies are Universal Insurance Holdings, Inc., Heritage Insurance Holdings, Inc., United Insurance Holdings Corporation, and FedNat Holding Company. | ||
| PEO Total Compensation Amount | $ 1,031,115 | $ 7,736,699 | $ 5,229,467 |
| PEO Actually Paid Compensation Amount | $ (23,921,916) | 29,124,167 | 6,847,494 |
| Adjustment To PEO Compensation, Footnote [Text Block] | Reconciliation of SCT Total for CEO to Compensation Actually Paid to CEO: 2022 2021 2020 SCT Total $ 1,031,115 $ 7,736,699 $ 5,229,467 Subtract: grant date fair value of stock and option awards granted as disclosed in the SCT 0 (6,873,468 ) (3,072,698 ) Add: year-end 0 21,882,036 3,634,200 Add or subtract: change in fair value of stock and option awards granted in prior years that remained unvested at the end of the covered year (19,815,803 ) 6,065,125 1,084,575 Add or subtract: change in fair value of stock awards and option awards granted in prior years that vested in the covered year (5,137,228 ) 313,775 (28,050 ) Add or subtract: fair value on vesting date of stock or option awards granted and vested in the covered year 0 0 0 Subtract: fair value of stock or option awards at the end of the prior year that were forfeited during the covered year 0 0 0 CAP ($ 23,921,916 ) $ 29,124,167 $ 6,847,494 | ||
| Non-PEO NEO Average Total Compensation Amount | $ 450,085 | 2,819,434 | 541,296 |
| Non-PEO NEO Average Compensation Actually Paid Amount | $ (2,249,190) | 5,193,003 | 613,826 |
| Adjustment to Non-PEO NEO Compensation Footnote [Text Block] | Reconciliation of average SCT total for other NEOs to Compensation Actually Paid to other NEOs: 2022 2021 2020 SCT Total $ 450,085 $ 2,819,434 $ 541,296 Subtract: grant date fair value of stock and option awards granted as disclosed in the SCT 0 (2,392,760 ) (159,355 ) Add: year-end 0 4,525,780 183,050 Add or subtract: change in fair value of stock and option awards granted in prior years that remained unvested at the end of the covered year (1,632,056 ) 164,010 32,627 Add or subtract: change in fair value of stock awards and option awards granted in prior years that vested in the covered year (1,067,219 ) 76,539 16,208 Add or subtract: fair value on vesting date of stock or option awards granted and vested in the covered year 0 0 0 Subtract: fair value of stock or option awards at the end of the prior year that were forfeited during the covered year 0 0 0 CAP ($ 2,249,190 ) $ 5,193,003 $ 613,826 | ||
| Compensation Actually Paid vs. Total Shareholder Return [Text Block] | |||
| Compensation Actually Paid vs. Net Income [Text Block] | |||
| Compensation Actually Paid vs. Company Selected Measure [Text Block] | |||
| Total Shareholder Return Vs Peer Group [Text Block] | |||
| Tabular List [Table Text Block] | Financial Performance Measures Used to Link Company Performance and Compensation Actually Paid The following is a list of financial performance measures which in our assessment represent the most important performance measures that influence compensation actually paid to the NEOs for 2022. • Relative Total Shareholder Return • Return on Equity • Earnings before interest and taxes • Gross Premiums Earned | ||
| Total Shareholder Return Amount | $ 94 | 193 | 118 |
| Peer Group Total Shareholder Return Amount | 31 | 51 | 56 |
| Net Income (Loss) | $ (54,603,000) | $ 7,242,000 | $ 27,580,000 |
| Company Selected Measure Amount | 1 | 1 | 1 |
| PEO Name | Paresh Patel | ||
| Measure [Axis]: 1 | |||
| Pay vs Performance Disclosure [Table] | |||
| Measure Name | Relative Total Shareholder Return | ||
| Measure [Axis]: 2 | |||
| Pay vs Performance Disclosure [Table] | |||
| Measure Name | Return on Equity | ||
| Measure [Axis]: 3 | |||
| Pay vs Performance Disclosure [Table] | |||
| Measure Name | Earnings before interest and taxes | ||
| Measure [Axis]: 4 | |||
| Pay vs Performance Disclosure [Table] | |||
| Measure Name | Gross Premiums Earned | ||
| PEO [Member] | Grant Date Fair Value Of Stock And Option Awards Granted As Disclosed In The SCT [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | $ 0 | $ (6,873,468) | $ (3,072,698) |
| PEO [Member] | YearEnd Fair Value Of Stock And Option Awards Granted In The Covered Year That Remained Unvested At The End Of The Covered Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 0 | 21,882,036 | 3,634,200 |
| PEO [Member] | Change In Fair Value Of Stock And Option Awards Granted In Prior Years That Remained Unvested At The End Of The Covered Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | (19,815,803) | 6,065,125 | 1,084,575 |
| PEO [Member] | Change In Fair Value Of Stock Awards And Option Awards Granted In Prior Years That Vested In The Covered Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | (5,137,228) | 313,775 | (28,050) |
| PEO [Member] | Fair Value On Vesting Date Of Stock Or Option Awards Granted And Vested In The Covered Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 0 | 0 | 0 |
| PEO [Member] | Fair Value Of Stock Or Option Awards At The End Of The Prior Year That Were Forfeited During The Covered Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 0 | 0 | 0 |
| Non-PEO NEO [Member] | Grant Date Fair Value Of Stock And Option Awards Granted As Disclosed In The SCT [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 0 | (2,392,760) | (159,355) |
| Non-PEO NEO [Member] | YearEnd Fair Value Of Stock And Option Awards Granted In The Covered Year That Remained Unvested At The End Of The Covered Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 0 | 4,525,780 | 183,050 |
| Non-PEO NEO [Member] | Change In Fair Value Of Stock And Option Awards Granted In Prior Years That Remained Unvested At The End Of The Covered Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | (1,632,056) | 164,010 | 32,627 |
| Non-PEO NEO [Member] | Change In Fair Value Of Stock Awards And Option Awards Granted In Prior Years That Vested In The Covered Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | (1,067,219) | 76,539 | 16,208 |
| Non-PEO NEO [Member] | Fair Value On Vesting Date Of Stock Or Option Awards Granted And Vested In The Covered Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 0 | 0 | 0 |
| Non-PEO NEO [Member] | Fair Value Of Stock Or Option Awards At The End Of The Prior Year That Were Forfeited During The Covered Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | $ 0 | $ 0 | $ 0 |
