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Loans and Allowance for Loan Losses - Summarizes of All COVID19 Loan Payment Deferment and the Percentage of Loans (Details) - COVID-19 [Member] $ in Thousands	Jun. 30, 2020 USD ($) DeferredLoan
Financing Receivable Modifications [Line Items]
Number of Loans Deferred | DeferredLoan	864
Principal Balance of Loans Deferred	$ 95,244
Percentage of Portfolio Balance as of March 31, 2020	16.50%
Principal and Interest Deferments	$ 73,292
Principal Only Deferments	$ 21,952
Construction, Land Development and Other Land Loans [Member]
Financing Receivable Modifications [Line Items]
Number of Loans Deferred | DeferredLoan	7
Principal Balance of Loans Deferred	$ 4,544
Percentage of Portfolio Balance as of March 31, 2020	14.50%
Principal and Interest Deferments	$ 4,544
Secured by 1-4 Family Residential Properties [Member]
Financing Receivable Modifications [Line Items]
Number of Loans Deferred | DeferredLoan	50
Principal Balance of Loans Deferred	$ 9,474
Percentage of Portfolio Balance as of March 31, 2020	10.20%
Principal and Interest Deferments	$ 8,078
Principal Only Deferments	$ 1,396
Secured By Multi family Residential Properties [Member]
Financing Receivable Modifications [Line Items]
Number of Loans Deferred | DeferredLoan	12
Principal Balance of Loans Deferred	$ 29,726
Percentage of Portfolio Balance as of March 31, 2020	60.90%
Principal and Interest Deferments	$ 15,523
Principal Only Deferments	$ 14,203
Secured By Non-farm Non residential Properties [Member]
Financing Receivable Modifications [Line Items]
Number of Loans Deferred | DeferredLoan	49
Principal Balance of Loans Deferred	$ 42,797
Percentage of Portfolio Balance as of March 31, 2020	26.60%
Principal and Interest Deferments	$ 37,073
Principal Only Deferments	$ 5,724
Commercial and Industrial Loans [Member]
Financing Receivable Modifications [Line Items]
Number of Loans Deferred | DeferredLoan	9
Principal Balance of Loans Deferred	$ 1,460
Percentage of Portfolio Balance as of March 31, 2020	1.70%
Principal and Interest Deferments	$ 831
Principal Only Deferments	$ 629
Consumer Portfolio Segment [Member] | Direct Consumer [Member]
Financing Receivable Modifications [Line Items]
Number of Loans Deferred | DeferredLoan	442
Principal Balance of Loans Deferred	$ 2,188
Percentage of Portfolio Balance as of March 31, 2020	6.60%
Principal and Interest Deferments	$ 2,188
Consumer Portfolio Segment [Member] | Branch Retail [Member]
Financing Receivable Modifications [Line Items]
Number of Loans Deferred | DeferredLoan	172
Principal Balance of Loans Deferred	$ 1,856
Percentage of Portfolio Balance as of March 31, 2020	5.60%
Principal and Interest Deferments	$ 1,856
Consumer Portfolio Segment [Member] | Indirect Sales [Member]
Financing Receivable Modifications [Line Items]
Number of Loans Deferred | DeferredLoan	123
Principal Balance of Loans Deferred	$ 3,199
Percentage of Portfolio Balance as of March 31, 2020	3.60%
Principal and Interest Deferments	$ 3,199

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