Fair Value - Level 3 Assets (Details) - Level 3 - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Roll forward of level 3 fair value measurements on a recurring basis
Beginning balance	$ 31,881	$ 26,224
Included in earnings	(144)	(92)
Included in other comprehensive income	(1,230)	(394)
Purchases	3,984	3,575
Sales	(3,763)	(636)
Transfers into Level 3	5,009	3,522
Transfers out of Level 3	(11,984)	(8,414)
Ending balance	23,753	23,785
Available-for-sale securities
Roll forward of level 3 fair value measurements on a recurring basis
Beginning balance	29,798	26,224
Included in earnings	(78)	(92)
Included in other comprehensive income	(1,230)	(394)
Purchases	3,984	3,575
Sales	(3,763)	(636)
Transfers into Level 3	5,009	2,432
Transfers out of Level 3	(11,984)	(8,414)
Ending balance	21,736	22,695
Corporate debt securities \| Available-for-sale securities
Roll forward of level 3 fair value measurements on a recurring basis
Beginning balance	5,256	5,825
Included in earnings	13	6
Included in other comprehensive income	(55)	42
Purchases	3,984	782
Sales	(508)	(370)
Transfers into Level 3	3,549	1,202
Transfers out of Level 3	(1,312)	(2,027)
Ending balance	10,927	5,460
Commercial mortgage-backed securities \| Available-for-sale securities
Roll forward of level 3 fair value measurements on a recurring basis
Beginning balance	15,728	19,462
Included in earnings	(116)	(95)
Included in other comprehensive income	(839)	(437)
Purchases	0	2,265
Sales	(500)	(5)
Transfers into Level 3	1,460	1,230
Transfers out of Level 3	(5,136)	(6,179)
Ending balance	10,597	16,241
Residential mortgage-backed securities \| Available-for-sale securities
Roll forward of level 3 fair value measurements on a recurring basis
Beginning balance	8,814	937
Included in earnings	25	(3)
Included in other comprehensive income	(336)	(1)
Purchases	0	0
Sales	(2,755)	(252)
Transfers into Level 3	0	0
Transfers out of Level 3	(5,536)	(208)
Ending balance	212	473
Other debt securities \| Available-for-sale securities
Roll forward of level 3 fair value measurements on a recurring basis
Beginning balance		0
Included in earnings		0
Included in other comprehensive income		2
Purchases		528
Sales		(9)
Transfers into Level 3		0
Transfers out of Level 3		0
Ending balance		521
Equity securities \| Equity securities
Roll forward of level 3 fair value measurements on a recurring basis
Beginning balance	2,083	0
Included in earnings	(66)	0
Included in other comprehensive income	0	0
Purchases	0	0
Sales	0	0
Transfers into Level 3	0	1,090
Transfers out of Level 3	0	0
Ending balance	$ 2,017	$ 1,090

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 income from asset measured at fair value on recurring basis using unobservable input (level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
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Amount of gain (loss) recognized in other comprehensive income (OCI) from asset measured at fair value on recurring basis using unobservable input (level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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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.

+ References

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-Publisher FASB
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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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- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
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- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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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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