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Loan and Lease Receivables, Impaired Loans and Leases and Allowance for Loan and Lease Losses (Loan Composition) (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017
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Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Loans and Leases Receivable, before Fees, Gross | $ 1,720,799 |  | $ 1,619,057 |  |  |
Allowance for loan and lease losses | 19,819 | $ 20,449 | 20,425 | $ 20,932 | $ 18,638 | $ 18,763
Deferred loan fees | 823 |  | 1,402 |  |  |
Loans and leases receivable, net amount | 1,700,157 |  | 1,597,230 |  |  |
Commercial real estate — owner occupied |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Loans and Leases Receivable, before Fees, Gross | 210,471 |  | 203,476 |  |  |
Commercial real estate — non-owner occupied |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Loans and Leases Receivable, before Fees, Gross | 477,740 |  | 484,427 |  |  |
Land development |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Loans and Leases Receivable, before Fees, Gross | 49,000 |  | 42,666 |  |  |
Construction |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Loans and Leases Receivable, before Fees, Gross | 185,347 |  | 161,562 |  |  |
Multi-family |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Loans and Leases Receivable, before Fees, Gross | 195,363 |  | 167,868 |  |  |
1-4 family |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Loans and Leases Receivable, before Fees, Gross | 31,656 |  | 34,340 |  |  |
Total commercial real estate |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Loans and Leases Receivable, before Fees, Gross | 1,149,577 |  | 1,094,339 |  |  |
Allowance for loan and lease losses | 11,269 | 11,205 | 11,662 | 11,147 | 9,990 | 10,131
Commercial and industrial |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Loans and Leases Receivable, before Fees, Gross | 510,448 |  | 462,321 |  |  |
Direct financing leases, net |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Loans and Leases Receivable, before Fees, Gross | 30,365 |  | 33,170 |  |  |
Home equity and second mortgages |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Loans and Leases Receivable, before Fees, Gross | 7,513 |  | 8,438 |  |  |
Other |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Loans and Leases Receivable, before Fees, Gross | 22,896 |  | 20,789 |  |  |
Total consumer and other |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Loans and Leases Receivable, before Fees, Gross | 30,409 |  | 29,227 |  |  |
Allowance for loan and lease losses | $ 658 | $ 759 | $ 684 | $ 548 | $ 497 | $ 407

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- Definition Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=118939070&loc=d3e15032-111544 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.1) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74567-122707 + Details
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