Number of Loan Portfolio Segment

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Number of Loans Entity Experienced Losses

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Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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- Definition

The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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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.

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- Definition

Amount of increase (decrease) in allowance for credit loss on financing receivable.

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- Definition

Amount of recovery of financing receivables doubtful of collection that were previously charged off.

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- Definition

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 writeoff of financing receivable, charged against allowance for credit loss.

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The balance of financing receivables that were collectively evaluated for impairment.

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The balance of financing receivables that were individually evaluated for impairment.

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- Definition

Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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Amount, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement.

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- Definition

Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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- Definition

Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.

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Loans, Part VI (Details) $ in Thousands	3 Months Ended		6 Months Ended
Loans, Part VI (Details) $ in Thousands	Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2019 USD ($) segment loan	Jun. 30, 2018 USD ($)	Jun. 30, 2019 USD ($)	Dec. 31, 2018 USD ($)	Jun. 30, 2018 USD ($)
Financing Receivable, Allowance for Credit Loss [Line Items]
Number of loan portfolio segment \| segment			10
Number of loans entity experienced losses over past twelve quarters \| loan			3
Special mention reserve amount					$ 124,113	$ 131,563
Summarizes activity in allowance for credit losses by loan category [Roll Forward]
Beginning balance	$ 8,417	$ 9,116	$ 8,395	$ 9,267
Provision (recovery of provision) for credit losses	4	(1,136)	10	(1,325)
Charge-offs	(5)	(7)	(119)	(99)
Recoveries	36	452	166	582
Net recoveries (charge-offs)	31	445	47	483
Ending balance	8,452	8,425	8,452	8,425
Period-end amount allocated to [Abstract]
Loans individually evaluated for impairment					1,439		$ 1,740
Loans collectively evaluated for impairment					7,013		6,685
Ending balance	8,417	9,116	$ 8,395	9,267	8,452	8,395	8,425
Loans Individually Evaluated for Impairment					18,054		19,696
Loans Collectively Evaluated for Impairment					555,367		554,300
Total Loans					573,421	587,933	573,996
Consumer Loan
Financing Receivable, Allowance for Credit Loss [Line Items]
Number of segments \| segment			3
Total commercial and industrial
Summarizes activity in allowance for credit losses by loan category [Roll Forward]
Beginning balance	1,614	1,985	$ 1,673	1,408
Provision (recovery of provision) for credit losses	(167)	(793)	(274)	(181)
Charge-offs	0	0	0	(88)
Recoveries	9	355	57	408
Net recoveries (charge-offs)	9	355	57	320
Ending balance	1,456	1,547	1,456	1,547
Period-end amount allocated to [Abstract]
Loans individually evaluated for impairment					609		444
Loans collectively evaluated for impairment					847		1,103
Ending balance	1,614	1,985	1,673	1,408	1,456	1,673	1,547
Loans Individually Evaluated for Impairment					2,153		3,258
Loans Collectively Evaluated for Impairment					52,992		54,697
Total Loans					55,145		57,955
Commercial and business loans
Period-end amount allocated to [Abstract]
Loans Individually Evaluated for Impairment					1,878		2,949
Loans Collectively Evaluated for Impairment					52,456		54,098
Total Loans					54,334		57,047
Government program loans
Period-end amount allocated to [Abstract]
Loans Individually Evaluated for Impairment					275		309
Loans Collectively Evaluated for Impairment					536		599
Total Loans					811		908
Total real estate mortgage
Period-end amount allocated to [Abstract]
Loans Individually Evaluated for Impairment					3,672		3,595
Loans Collectively Evaluated for Impairment					278,216		279,816
Total Loans					281,888		283,411
Commercial real estate loans
Period-end amount allocated to [Abstract]
Loans Individually Evaluated for Impairment					1,824		1,367
Loans Collectively Evaluated for Impairment					225,701		211,146
Total Loans					227,525		212,513
Residential mortgage loans
Period-end amount allocated to [Abstract]
Loans Individually Evaluated for Impairment					1,848		2,228
Loans Collectively Evaluated for Impairment					52,294		68,284
Total Loans					54,142		70,512
Home improvement and home equity loans
Period-end amount allocated to [Abstract]
Loans Individually Evaluated for Impairment					0		0
Loans Collectively Evaluated for Impairment					221		386
Total Loans					221		386
Real Estate Mortgage
Summarizes activity in allowance for credit losses by loan category [Roll Forward]
Beginning balance	995	1,204	1,015	1,182
Provision (recovery of provision) for credit losses	(135)	(7)	(154)	11
Charge-offs	0	0	(5)	0
Recoveries	4	16	8	20
Net recoveries (charge-offs)	4	16	3	20
Ending balance	864	1,213	864	1,213
Period-end amount allocated to [Abstract]
Loans individually evaluated for impairment					379		590
Loans collectively evaluated for impairment					485		623
Ending balance	995	1,204	1,015	1,182	864	1,015	1,213
Real Estate Construction and Development Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Special mention reserve amount					114,611	108,795
Summarizes activity in allowance for credit losses by loan category [Roll Forward]
Beginning balance	2,188	2,862	2,424	2,903
Provision (recovery of provision) for credit losses	142	(175)	(94)	(216)
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Net recoveries (charge-offs)	0	0	0	0
Ending balance	2,330	2,687	2,330	2,687
Period-end amount allocated to [Abstract]
Loans individually evaluated for impairment					0		0
Loans collectively evaluated for impairment					2,330		2,687
Ending balance	2,188	2,862	2,424	2,903	2,330	2,424	2,687
Loans Individually Evaluated for Impairment					11,562		11,764
Loans Collectively Evaluated for Impairment					103,049		96,807
Total Loans					114,611		108,571
Agricultural
Financing Receivable, Allowance for Credit Loss [Line Items]
Special mention reserve amount					52,027	61,149
Summarizes activity in allowance for credit losses by loan category [Roll Forward]
Beginning balance	969	1,342	1,131	1,631
Provision (recovery of provision) for credit losses	163	(41)	1	(330)
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Net recoveries (charge-offs)	0	0	0	0
Ending balance	1,132	1,301	1,132	1,301
Period-end amount allocated to [Abstract]
Loans individually evaluated for impairment					451		706
Loans collectively evaluated for impairment					681		595
Ending balance	969	1,342	1,131	1,631	1,132	1,131	1,301
Loans Individually Evaluated for Impairment					667		1,017
Loans Collectively Evaluated for Impairment					51,360		55,645
Total Loans					52,027		56,662
Installment and Student Loans
Summarizes activity in allowance for credit losses by loan category [Roll Forward]
Beginning balance	1,838	821	1,559	887
Provision (recovery of provision) for credit losses	136	(55)	446	(190)
Charge-offs	(5)	(7)	(114)	(11)
Recoveries	23	81	101	154
Net recoveries (charge-offs)	18	74	(13)	143
Ending balance	1,992	840	1,992	840
Period-end amount allocated to [Abstract]
Loans individually evaluated for impairment					0		0
Loans collectively evaluated for impairment					1,992		840
Ending balance	1,838	821	1,559	887	1,992	1,559	840
Loans Individually Evaluated for Impairment					0		62
Loans Collectively Evaluated for Impairment					69,750		67,335
Total Loans					69,750		67,397
Unallocated
Summarizes activity in allowance for credit losses by loan category [Roll Forward]
Beginning balance	813	902	593	1,256
Provision (recovery of provision) for credit losses	(135)	(65)	85	(419)
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Net recoveries (charge-offs)	0	0	0	0
Ending balance	678	837	678	837
Period-end amount allocated to [Abstract]
Loans individually evaluated for impairment					0		0
Loans collectively evaluated for impairment					678		837
Ending balance	$ 813	$ 902	$ 593	$ 1,256	678	593	$ 837
Total installment and student loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Special mention reserve amount					$ 69,750	$ 71,811