Consolidated Balance Sheets (Parenthetical) - $ / shares $ / shares in Thousands |
Dec. 31, 2021 |
Dec. 31, 2020 |
|---|---|---|
| Statement of Financial Position [Abstract] | ||
| Preferred stock, no par value | $ 0 | $ 0 |
| Preferred stock, shares authorized | 2,000,000 | 2,000,000 |
| Preferred stock, shares issued | 0 | 0 |
| Preferred stock, shares outstanding | 0 | 0 |
| Common stock, no par value | $ 0 | $ 0 |
| Common stock, shares authorized | 250,000,000 | 250,000,000 |
| Common stock, shares issued | 169,477,347 | 153,095,883 |
| Common stock, shares outstanding | 169,477,347 | 153,095,883 |