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Allowance for Loan and Lease Losses - Individually Impaired Loans (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2020 | Dec. 31, 2019
Financing Receivable, Impaired [Line Items] |  |
With an Allowance Recorded Unpaid Principal Balance | $ 9,781 | $ 9,694
With an Allowance Recorded Recorded Investment | 9,552 | 9,464
With an Allowance Recorded Related Allowance | 1,108 | 827
With an Allowance Recorded Average Recorded Investment | 9,618 | 9,951
With an Allowance Recorded Interest Income Recognized | 111 | 503
With no Related Allowance Recorded Unpaid Principal Balance | 7,318 | 6,121
With no Related Allowance Recorded Recorded Investment | 5,987 | 4,688
With no Related Allowance Recorded Average Recorded Investment | 5,834 | 6,684
With no Related Allowance Recorded Interest Income Recognized | 1 | 24
Individually impaired loans Unpaid Principal Balance | 17,099 | 15,815
Total impaired loans | 15,539 | 14,152
Individually impaired loans Average Recorded Investment | 15,452 | 16,635
Individually impaired loans Interest Income Recognized | 112 | 527
Real Estate Sector [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
With an Allowance Recorded Unpaid Principal Balance | 8,206 | 8,310
With an Allowance Recorded Recorded Investment | 8,034 | 8,138
With an Allowance Recorded Related Allowance | 490 | 493
With an Allowance Recorded Average Recorded Investment | 8,071 | 8,336
With an Allowance Recorded Interest Income Recognized | 97 | 439
With no Related Allowance Recorded Unpaid Principal Balance | 7,029 | 6,010
With no Related Allowance Recorded Recorded Investment | 5,719 | 4,607
With no Related Allowance Recorded Average Recorded Investment | 5,563 | 6,382
With no Related Allowance Recorded Interest Income Recognized | 1 | 9
Real Estate Sector [Member] | 1-4 Family Residential Construction [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
With an Allowance Recorded Unpaid Principal Balance |  | 0
With an Allowance Recorded Recorded Investment |  | 0
With an Allowance Recorded Related Allowance |  | 0
With an Allowance Recorded Average Recorded Investment |  | 0
With an Allowance Recorded Interest Income Recognized |  | 0
With no Related Allowance Recorded Unpaid Principal Balance |  | 0
With no Related Allowance Recorded Recorded Investment |  | 0
With no Related Allowance Recorded Average Recorded Investment |  | 0
With no Related Allowance Recorded Interest Income Recognized |  | 0
Real Estate Sector [Member] | Other construction/land [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
With an Allowance Recorded Unpaid Principal Balance | 641 | 656
With an Allowance Recorded Recorded Investment | 522 | 537
With an Allowance Recorded Related Allowance | 154 | 157
With an Allowance Recorded Average Recorded Investment | 527 | 563
With an Allowance Recorded Interest Income Recognized | 12 | 32
With no Related Allowance Recorded Unpaid Principal Balance | 0 | 52
With no Related Allowance Recorded Recorded Investment | 0 | 17
With no Related Allowance Recorded Average Recorded Investment | 0 | 577
With no Related Allowance Recorded Interest Income Recognized | 0 | 4
Real Estate Sector [Member] | 1-4 Family - Closed-End [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
With an Allowance Recorded Unpaid Principal Balance | 2,266 | 2,298
With an Allowance Recorded Recorded Investment | 2,266 | 2,298
With an Allowance Recorded Related Allowance | 62 | 58
With an Allowance Recorded Average Recorded Investment | 2,279 | 2,365
With an Allowance Recorded Interest Income Recognized | 33 | 146
With no Related Allowance Recorded Unpaid Principal Balance | 844 | 755
With no Related Allowance Recorded Recorded Investment | 844 | 722
With no Related Allowance Recorded Average Recorded Investment | 845 | 726
With no Related Allowance Recorded Interest Income Recognized | 0 | 0
Real Estate Sector [Member] | Equity Lines [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
With an Allowance Recorded Unpaid Principal Balance | 4,129 | 4,173
With an Allowance Recorded Recorded Investment | 4,076 | 4,120
With an Allowance Recorded Related Allowance | 252 | 252
With an Allowance Recorded Average Recorded Investment | 4,090 | 4,185
With an Allowance Recorded Interest Income Recognized | 37 | 200
With no Related Allowance Recorded Unpaid Principal Balance | 305 | 326
With no Related Allowance Recorded Recorded Investment | 305 | 301
With no Related Allowance Recorded Average Recorded Investment | 307 | 310
With no Related Allowance Recorded Interest Income Recognized | 1 | 5
Real Estate Sector [Member] | Multi-Family Residential [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
With an Allowance Recorded Unpaid Principal Balance | 347 | 353
With an Allowance Recorded Recorded Investment | 347 | 353
With an Allowance Recorded Related Allowance | 17 | 17
With an Allowance Recorded Average Recorded Investment | 349 | 361
With an Allowance Recorded Interest Income Recognized | 6 | 23
With no Related Allowance Recorded Unpaid Principal Balance |  | 0
With no Related Allowance Recorded Recorded Investment |  | 0
With no Related Allowance Recorded Average Recorded Investment |  | 0
With no Related Allowance Recorded Interest Income Recognized |  | 0
Real Estate Sector [Member] | Commercial Real Estate Owner Occupied [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
With an Allowance Recorded Unpaid Principal Balance | 586 | 593
With an Allowance Recorded Recorded Investment | 586 | 593
With an Allowance Recorded Related Allowance | 2 | 6
With an Allowance Recorded Average Recorded Investment | 589 | 606
With an Allowance Recorded Interest Income Recognized | 9 | 38
With no Related Allowance Recorded Unpaid Principal Balance | 2,062 | 1,560
With no Related Allowance Recorded Recorded Investment | 1,942 | 1,440
With no Related Allowance Recorded Average Recorded Investment | 1,950 | 1,477
With no Related Allowance Recorded Interest Income Recognized | 0 | 0
Real Estate Sector [Member] | Commercial Real Estate Non Owner Occupied [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
With an Allowance Recorded Unpaid Principal Balance | 0 | 0
With an Allowance Recorded Recorded Investment | 0 | 0
With an Allowance Recorded Related Allowance | 0 | 0
With an Allowance Recorded Average Recorded Investment | 0 | 0
With an Allowance Recorded Interest Income Recognized | 0 | 0
With no Related Allowance Recorded Unpaid Principal Balance | 3,798 | 3,295
With no Related Allowance Recorded Recorded Investment | 2,608 | 2,105
With no Related Allowance Recorded Average Recorded Investment | 2,440 | 3,267
With no Related Allowance Recorded Interest Income Recognized | 0 | 0
Real Estate Sector [Member] | Farmland [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
With an Allowance Recorded Unpaid Principal Balance | 237 | 237
With an Allowance Recorded Recorded Investment | 237 | 237
With an Allowance Recorded Related Allowance | 3 | 3
With an Allowance Recorded Average Recorded Investment | 237 | 256
With an Allowance Recorded Interest Income Recognized | 0 | 0
With no Related Allowance Recorded Unpaid Principal Balance | 20 | 22
With no Related Allowance Recorded Recorded Investment | 20 | 22
With no Related Allowance Recorded Average Recorded Investment | 21 | 25
With no Related Allowance Recorded Interest Income Recognized | 0 | 0
Agricultural Sector [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
With an Allowance Recorded Unpaid Principal Balance | 5 | 5
With an Allowance Recorded Recorded Investment | 5 | 5
With an Allowance Recorded Related Allowance | 0 | 1
With an Allowance Recorded Average Recorded Investment | 5 | 6
With an Allowance Recorded Interest Income Recognized | 0 | 0
With no Related Allowance Recorded Unpaid Principal Balance | 0 | 0
With no Related Allowance Recorded Recorded Investment | 0 | 0
With no Related Allowance Recorded Average Recorded Investment | 0 | 0
With no Related Allowance Recorded Interest Income Recognized | 0 | 0
Commercial and Industrial Sector [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
With an Allowance Recorded Unpaid Principal Balance | 1,156 | 915
With an Allowance Recorded Recorded Investment | 1,137 | 896
With an Allowance Recorded Related Allowance | 520 | 219
With an Allowance Recorded Average Recorded Investment | 1,157 | 1,140
With an Allowance Recorded Interest Income Recognized | 6 | 29
With no Related Allowance Recorded Unpaid Principal Balance | 289 | 102
With no Related Allowance Recorded Recorded Investment | 268 | 81
With no Related Allowance Recorded Average Recorded Investment | 271 | 162
With no Related Allowance Recorded Interest Income Recognized | 0 | 0
Consumer Loans Sector [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
With an Allowance Recorded Unpaid Principal Balance | 414 | 464
With an Allowance Recorded Recorded Investment | 376 | 425
With an Allowance Recorded Related Allowance | 98 | 114
With an Allowance Recorded Average Recorded Investment | 385 | 469
With an Allowance Recorded Interest Income Recognized | 8 | 35
With no Related Allowance Recorded Unpaid Principal Balance | 0 | 9
With no Related Allowance Recorded Recorded Investment | 0 | 0
With no Related Allowance Recorded Average Recorded Investment | 0 | 140
With no Related Allowance Recorded Interest Income Recognized | $ 0 | $ 15

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