SCHEDULE II - FINANCIAL INFORMATION OF REGISTRANT- PARENT COMPANY ONLY - Statement of Operations Additional Information - Parent Company Only (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
|
| Condensed Income Statements, Captions [Line Items] | |||
| 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 |
| Parent | |||
| Condensed Income Statements, Captions [Line Items] | |||
| Change in unrealized investment gains (losses), tax amount | 82 | (34) | (49) |
| Reclassification adjustment from AOCI for sale of securities, tax | $ 0 | $ 1 | $ 0 |