Securities - Securities Sold (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Debt Securities, Available-for-sale [Line Items]
Carrying Value	$ 212,137	$ 2,403	$ 495,192
Net Proceeds	212,485	2,387	495,340
Gain/(Loss)	348	(16)	148
Obligations of other U.S. Government agencies and corporations
Debt Securities, Available-for-sale [Line Items]
Carrying Value			11,088
Net Proceeds			10,974
Gain/(Loss)			(114)
Obligations of states and political subdivisions
Debt Securities, Available-for-sale [Line Items]
Carrying Value	11,799	901	110,019
Net Proceeds	11,813	893	112,199
Gain/(Loss)	14	(8)	2,180
Trust preferred securities
Debt Securities, Available-for-sale [Line Items]
Carrying Value			9,346
Net Proceeds			9,403
Gain/(Loss)			57
Other debt securities
Debt Securities, Available-for-sale [Line Items]
Carrying Value	252		7,269
Net Proceeds	257		7,395
Gain/(Loss)	5		126
Other equity securities
Debt Securities, Available-for-sale [Line Items]
Carrying Value	0
Net Proceeds	2,859
Gain/(Loss)	2,859
Government agency mortgage backed securities \| Residential mortgage backed securities
Debt Securities, Available-for-sale [Line Items]
Carrying Value	72,556	943	264,924
Net Proceeds	71,944	942	263,217
Gain/(Loss)	(612)	(1)	(1,707)
Government agency mortgage backed securities \| Commercial mortgage backed securities
Debt Securities, Available-for-sale [Line Items]
Carrying Value	4,838		14,104
Net Proceeds	4,720		14,082
Gain/(Loss)	(118)		(22)
Government agency collateralized mortgage obligations \| Residential mortgage backed securities
Debt Securities, Available-for-sale [Line Items]
Carrying Value	122,692	559	72,153
Net Proceeds	120,892	552	71,781
Gain/(Loss)	$ (1,800)	$ (7)	(372)
Government agency collateralized mortgage obligations \| Commercial mortgage backed securities
Debt Securities, Available-for-sale [Line Items]
Carrying Value			6,289
Net Proceeds			6,289
Gain/(Loss)			$ 0

Debt Securities, Available for Sale, Securities Sold, at Carrying Value

No definition available.

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- 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
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 9
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27357-111563

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- Definition

Amount of cash inflow from sale of 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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=118954083&loc=d3e26853-111562

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3151-108585

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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