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Investments - Narrative (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Real Estate [Line Items]
Net realized gains (losses) on investments	$ 56,400	$ 5,892	$ 63,352	$ (12,715)
Realized gains on sales of investment real estate		401	0	1,213
Proceeds from sales of investment real estate		2,591	$ 0	$ 10,537
Real Estate Property
Real Estate [Line Items]
Proceeds from sale of premises and equipment		400
Realized gains on sales of investment real estate		200
Income Producing
Real Estate [Line Items]
Realized gains on sales of investment real estate		2,300
Proceeds from sales of investment real estate		8,900
Non-Income Producing
Real Estate [Line Items]
Realized gains on sales of investment real estate		400
Proceeds from sales of investment real estate		$ 2,600

X

- Definition

Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
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The net gain (loss) resulting from sales and other disposals of real estate owned for investment purposes.

+ References

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The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

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Cash received from the sale of real estate that is held for investment, that is, it is part of an investing activity during the period.

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