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Loans and Allowance for Loan Losses - Allowance for Loan Losses (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2018 | Mar. 31, 2017 | Dec. 31, 2017
Allowance for loan losses: |  |  |
Beginning balance | $ 15,767 | $ 15,442 |
Provision for loan losses | 0 | 0 |
Charge-offs | 0 | (287) |
Recoveries | 4 | 64 |
Ending balance | 15,771 | 15,219 |
Ending ALLL related to loans collectively evaluated for impairment | 15,417 |  | $ 15,254
Ending ALLL related to loans individually evaluated for impairment | 354 |  | 513
Ending ALLL | 15,771 |  | 15,767
Collectively evaluated for impairment | 1,653,058 |  | 1,659,972
Individually evaluated for impairment | 16,547 |  | 16,926
Total loans | $ 1,671,740 |  | $ 1,679,013
Ratio of allowance for loan losses to total loans | 0.94% |  | 0.94%
Allowance for loan losses to non-accrual loans | 4023.00% |  | 3883.00%
Purchased credit-impaired |  |  |
Allowance for loan losses: |  |  |
Ending ALLL | $ 0 |  | $ 0
Purchased credit-impaired | 2,135 |  | 2,115
Commercial loans | Commercial and industrial |  |  |
Allowance for loan losses: |  |  |
Beginning balance | 3,654 | 3,248 |
Provision for loan losses | 35 | 1,386 |
Charge-offs | 0 | (284) |
Recoveries | 4 | 63 |
Ending balance | 3,693 | 4,413 |
Ending ALLL related to loans collectively evaluated for impairment | 3,658 |  | 3,604
Ending ALLL related to loans individually evaluated for impairment | 35 |  | 50
Ending ALLL | 3,693 |  | 3,654
Collectively evaluated for impairment | 229,361 |  | 233,605
Individually evaluated for impairment | 2,267 |  | 2,165
Total loans | $ 231,680 |  | $ 235,835
Ratio of allowance for loan losses to total loans | 1.59% |  | 1.55%
Commercial loans | Commercial and industrial | Purchased credit-impaired |  |  |
Allowance for loan losses: |  |  |
Ending ALLL | $ 0 |  | $ 0
Purchased credit-impaired | 52 |  | 65
Commercial real estate loans | Commercial real estate, owner-occupied |  |  |
Allowance for loan losses: |  |  |
Beginning balance | 2,294 | 1,753 |
Provision for loan losses | (214) | 239 |
Charge-offs | 0 | 0 |
Recoveries | 0 | 0 |
Ending balance | 2,080 | 1,992 |
Ending ALLL related to loans collectively evaluated for impairment | 1,918 |  | 2,106
Ending ALLL related to loans individually evaluated for impairment | 162 |  | 188
Ending ALLL | 2,080 |  | 2,294
Collectively evaluated for impairment | 292,176 |  | 292,798
Individually evaluated for impairment | 7,007 |  | 6,999
Total loans | $ 300,377 |  | $ 300,963
Ratio of allowance for loan losses to total loans | 0.69% |  | 0.76%
Commercial real estate loans | Commercial real estate, owner-occupied | Purchased credit-impaired |  |  |
Allowance for loan losses: |  |  |
Ending ALLL | $ 0 |  | $ 0
Purchased credit-impaired | 1,194 |  | 1,166
Commercial real estate loans | Commercial real estate, investor |  |  |
Allowance for loan losses: |  |  |
Beginning balance | 6,475 | 6,320 |
Provision for loan losses | (20) | (187) |
Charge-offs | 0 | 0 |
Recoveries | 0 | 0 |
Ending balance | 6,455 | 6,133 |
Ending ALLL related to loans collectively evaluated for impairment | 6,407 |  | 6,316
Ending ALLL related to loans individually evaluated for impairment | 48 |  | 159
Ending ALLL | 6,455 |  | 6,475
Collectively evaluated for impairment | 826,294 |  | 820,023
Individually evaluated for impairment | 1,854 |  | 2,171
Total loans | $ 828,945 |  | $ 822,984
Ratio of allowance for loan losses to total loans | 0.78% |  | 0.79%
Commercial real estate loans | Commercial real estate, investor | Purchased credit-impaired |  |  |
Allowance for loan losses: |  |  |
Ending ALLL | $ 0 |  | $ 0
Purchased credit-impaired | 797 |  | 790
Commercial real estate loans | Construction |  |  |
Allowance for loan losses: |  |  |
Beginning balance | 681 | 781 |
Provision for loan losses | 16 | (235) |
Charge-offs | 0 | 0 |
Recoveries | 0 | 0 |
Ending balance | 697 | 546 |
Ending ALLL related to loans collectively evaluated for impairment | 686 |  | 674
Ending ALLL related to loans individually evaluated for impairment | 11 |  | 7
Ending ALLL | 697 |  | 681
Collectively evaluated for impairment | 62,002 |  | 60,859
Individually evaluated for impairment | 2,976 |  | 2,969
Total loans | $ 64,978 |  | $ 63,828
Ratio of allowance for loan losses to total loans | 1.07% |  | 1.07%
Commercial real estate loans | Construction | Purchased credit-impaired |  |  |
Allowance for loan losses: |  |  |
Ending ALLL | $ 0 |  | $ 0
Purchased credit-impaired | 0 |  | 0
Residential loans | Home equity |  |  |
Allowance for loan losses: |  |  |
Beginning balance | 1,031 | 973 |
Provision for loan losses | (52) | 17 |
Charge-offs | 0 | 0 |
Recoveries | 0 | 0 |
Ending balance | 979 | 990 |
Ending ALLL related to loans collectively evaluated for impairment | 973 |  | 1,025
Ending ALLL related to loans individually evaluated for impairment | 6 |  | 6
Ending ALLL | 979 |  | 1,031
Collectively evaluated for impairment | 123,868 |  | 131,620
Individually evaluated for impairment | 739 |  | 753
Total loans | $ 124,699 |  | $ 132,467
Ratio of allowance for loan losses to total loans | 0.79% |  | 0.78%
Allowance for loan losses to non-accrual loans | 250.00% |  | 254.00%
Residential loans | Home equity | Purchased credit-impaired |  |  |
Allowance for loan losses: |  |  |
Ending ALLL | $ 0 |  | $ 0
Purchased credit-impaired | 92 |  | 94
Residential loans | Other residential |  |  |
Allowance for loan losses: |  |  |
Beginning balance | 536 | 454 |
Provision for loan losses | 7 | (10) |
Charge-offs | 0 | 0 |
Recoveries | 0 | 0 |
Ending balance | 543 | 444 |
Ending ALLL related to loans collectively evaluated for impairment | 543 |  | 535
Ending ALLL related to loans individually evaluated for impairment | 0 |  | 1
Ending ALLL | 543 |  | 536
Collectively evaluated for impairment | 94,629 |  | 94,378
Individually evaluated for impairment | 992 |  | 1,148
Total loans | $ 95,621 |  | $ 95,526
Ratio of allowance for loan losses to total loans | 0.57% |  | 0.56%
Residential loans | Other residential | Purchased credit-impaired |  |  |
Allowance for loan losses: |  |  |
Ending ALLL | $ 0 |  | $ 0
Purchased credit-impaired | 0 |  | 0
Consumer loans | Installment and other consumer |  |  |
Allowance for loan losses: |  |  |
Beginning balance | 378 | 372 |
Provision for loan losses | (27) | (11) |
Charge-offs | 0 | (3) |
Recoveries | 0 | 1 |
Ending balance | 351 | 359 |
Ending ALLL related to loans collectively evaluated for impairment | 259 |  | 276
Ending ALLL related to loans individually evaluated for impairment | 92 |  | 102
Ending ALLL | 351 |  | 378
Collectively evaluated for impairment | 24,728 |  | 26,689
Individually evaluated for impairment | 712 |  | 721
Total loans | $ 25,440 |  | $ 27,410
Ratio of allowance for loan losses to total loans | 1.38% |  | 1.38%
Consumer loans | Installment and other consumer | Purchased credit-impaired |  |  |
Allowance for loan losses: |  |  |
Ending ALLL | $ 0 |  | $ 0
Purchased credit-impaired | 0 |  | 0
Unallocated |  |  |
Allowance for loan losses: |  |  |
Beginning balance | 718 | 1,541 |
Provision for loan losses | 255 | (1,199) |
Charge-offs | 0 | 0 |
Recoveries | 0 | 0 |
Ending balance | 973 | $ 342 |
Ending ALLL related to loans collectively evaluated for impairment | 973 |  | 718
Ending ALLL related to loans individually evaluated for impairment | 0 |  | 0
Ending ALLL | 973 |  | 718
Collectively evaluated for impairment | 0 |  | 0
Individually evaluated for impairment | 0 |  | 0
Total loans | 0 |  | 0
Unallocated | Purchased credit-impaired |  |  |
Allowance for loan losses: |  |  |
Ending ALLL | 0 |  | 0
Purchased credit-impaired | $ 0 |  | $ 0

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