Investments (Investment Gains and Losses) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Available for sale debt securities:
Realized gains on disposal	$ 1,730	$ 1,168	$ 2,491	$ 2,351
Realized losses on disposal	0	0	0	(84)
Held to maturity debt securities:
Realized gains on disposal	1,395	924	4,119	951
Realized losses on disposal	0	0	0	0
Equity securities realized gains (losses)	0	0	0	0
Real estate gains (losses)	0	3,385	0	6,888
Mortgage loans write-downs	0	0	0	0
Other	0	0	0	0
Totals	$ 3,125	$ 5,477	$ 6,610	$ 10,106

Held-to-maturity Securities, Realized Gains on Disposal

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Held-to-maturity Securities, Realized Losses on Disposal

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

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

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Amount of realized gain (loss) from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property.

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This item represents the net total realized and unrealized gain (loss) included in earnings for the period as a result of selling or holding marketable securities categorized as trading, available-for-sale, or held-to-maturity, including the unrealized holding gain (loss) of held-to-maturity securities transferred to the trading security category and the cumulative unrealized gain (loss) which was included in other comprehensive income (a separate component of shareholders' equity) for available-for-sale securities transferred to trading securities during the period. Additionally, this item would include any gains (losses) realized during the period from the sale of investments accounted for under the cost method of accounting.

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The gains (losses) included in earnings that represent the difference between the sale price and the carrying value of loans made to finance real estate acquisitions. This element refers to the gain (loss) and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

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The net gain (loss) resulting from sales and other disposals of real estate owned for investment purposes.

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