Fair Value Disclosures (Details 2) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014
Changes in balance sheet carrying value associated with Level 3 financial assets carried at fair value
Balance, beginning of period	$ 23,919	$ 27,771
Total (losses) gains (realized/unrealized) included in earnings	(313)	(1,307)
Net unrealized gains (losses) included in other comprehensive income	(910)	328
Purchases	0	4,733
Sales	(1,412)	(2,189)
Transfers in	17,112	217
Transfers out	(10,147)	(5,634)
Balance, end of period	28,249	23,919
Commercial mortgage-backed
Changes in balance sheet carrying value associated with Level 3 financial assets carried at fair value
Balance, beginning of period	202	299
Total (losses) gains (realized/unrealized) included in earnings	0	0
Net unrealized gains (losses) included in other comprehensive income	(6)	(9)
Purchases	0	0
Sales	(94)	(88)
Transfers in	0	0
Transfers out	0	0
Balance, end of period	102	202
Residential mortgage-backed
Changes in balance sheet carrying value associated with Level 3 financial assets carried at fair value
Balance, beginning of period	0	884
Total (losses) gains (realized/unrealized) included in earnings		0
Net unrealized gains (losses) included in other comprehensive income		0
Purchases		0
Sales		0
Transfers in		0
Transfers out		(884)
Balance, end of period		0
Corporate
Changes in balance sheet carrying value associated with Level 3 financial assets carried at fair value
Balance, beginning of period	22,025	23,124
Total (losses) gains (realized/unrealized) included in earnings	(19)	(117)
Net unrealized gains (losses) included in other comprehensive income	(1,029)	471
Purchases	0	4,733
Sales	(1,318)	(1,653)
Transfers in	17,112	217
Transfers out	(10,147)	(4,750)
Balance, end of period	26,624	22,025
Non-redeemable preferred stocks
Changes in balance sheet carrying value associated with Level 3 financial assets carried at fair value
Balance, beginning of period	1,000	1,448
Total (losses) gains (realized/unrealized) included in earnings	0	134
Net unrealized gains (losses) included in other comprehensive income	125	(134)
Purchases	0	0
Sales	0	(448)
Transfers in	0	0
Transfers out	0	0
Balance, end of period	1,125	1,000
Other assets
Changes in balance sheet carrying value associated with Level 3 financial assets carried at fair value
Balance, beginning of period	692	2,016
Total (losses) gains (realized/unrealized) included in earnings	(294)	(1,324)
Net unrealized gains (losses) included in other comprehensive income	0	0
Purchases	0	0
Sales	0	0
Transfers in	0	0
Transfers out	0	0
Balance, end of period	$ 398	$ 692

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Amount of gain (loss) recognized in the income statement for financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

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Amount of gain (loss) recognized in other comprehensive income (loss) for financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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- Definition

Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of sale of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy.

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Amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy.

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Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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