CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (Parenthetical) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
|
| Statement of Comprehensive Income [Abstract] | |||
| Change in unrealized investment gains (losses), tax amount | $ 8,548 | $ (3,285) | $ 1,234 |
| Reclassification adjustment from AOCI for sale of securities, tax | $ 9 | $ (27) | $ 73 |