Allowance for Loan Losses [Abstract]

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447

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- Definition

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

+ References

+ Details

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- Definition

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

+ References

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- Definition

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

+ References

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- Definition

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

+ References

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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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- Definition

Amount, before allowance for credit loss, of financing receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 55
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Loans Receivable and the Allowance for Credit Losses - Allowance for Loan Losses Based on Evaluation Method (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Mar. 31, 2020	Jan. 01, 2020	Dec. 31, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018
Loans held for investment, net of unearned income
Individually evaluated for impairment	$ 35,266			$ 33,495
Collectively evaluated for impairment	3,561,773			3,395,220
Loans, gross	3,597,039			3,451,266
Allowance for credit losses:
Individually evaluated for impairment	3,179			3,663
Collectively evaluated for impairment	52,465			24,166
Allowance for credit losses on loans	55,644	$ 51,187	$ 29,079	29,079	$ 28,691	$ 29,652	$ 29,307
Purchased credit impaired loans
Loans held for investment, net of unearned income
Loans, gross				22,551
Allowance for credit losses:
Allowance for credit losses on loans				1,250
Agricultural
Loans held for investment, net of unearned income
Individually evaluated for impairment	2,747			4,312
Collectively evaluated for impairment	138,090			135,246
Loans, gross	140,837			140,446
Allowance for credit losses:
Individually evaluated for impairment	490			212
Collectively evaluated for impairment	918			3,536
Allowance for credit losses on loans	1,408	1,146	3,748	3,748	3,720	3,691	3,637
Agricultural \| Purchased credit impaired loans
Loans held for investment, net of unearned income
Loans, gross				888
Allowance for credit losses:
Allowance for credit losses on loans				0
Commercial and industrial
Loans held for investment, net of unearned income
Individually evaluated for impairment	8,593			12,242
Collectively evaluated for impairment	1,075,934			822,939
Loans, gross	1,084,527			835,236
Allowance for credit losses:
Individually evaluated for impairment	1,774			2,198
Collectively evaluated for impairment	16,935			6,194
Allowance for credit losses on loans	18,709	19,309	8,394	8,394	7,633	7,594	7,478
Commercial and industrial \| Purchased credit impaired loans
Loans held for investment, net of unearned income
Loans, gross				55
Allowance for credit losses:
Allowance for credit losses on loans				2
Commercial real estate
Loans held for investment, net of unearned income
Individually evaluated for impairment	23,714			16,082
Collectively evaluated for impairment	1,741,025			1,781,306
Loans, gross	1,764,739			1,814,859
Allowance for credit losses:
Individually evaluated for impairment	915			1,180
Collectively evaluated for impairment	27,306			11,836
Allowance for credit losses on loans	28,221	23,138	13,804	13,804	13,655	14,798	15,635
Commercial real estate \| Purchased credit impaired loans
Loans held for investment, net of unearned income
Loans, gross				17,471
Allowance for credit losses:
Allowance for credit losses on loans				788
Residential real estate
Loans held for investment, net of unearned income
Individually evaluated for impairment	204			838
Collectively evaluated for impairment	532,710			572,865
Loans, gross	532,914			577,799
Allowance for credit losses:
Individually evaluated for impairment				73
Collectively evaluated for impairment	6,074			2,152
Allowance for credit losses on loans	6,074	6,425	2,685	2,685	3,377	3,272	2,349
Residential real estate \| Purchased credit impaired loans
Loans held for investment, net of unearned income
Loans, gross				4,096
Allowance for credit losses:
Allowance for credit losses on loans				460
Consumer
Loans held for investment, net of unearned income
Individually evaluated for impairment	8			21
Collectively evaluated for impairment	74,014			82,864
Loans, gross	74,022			82,926
Allowance for credit losses:
Collectively evaluated for impairment	1,232			448
Allowance for credit losses on loans	$ 1,232	$ 1,169	$ 448	448	$ 306	$ 297	$ 208
Consumer \| Purchased credit impaired loans
Loans held for investment, net of unearned income
Loans, gross				41
Allowance for credit losses:
Allowance for credit losses on loans				$ 0