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Loans - Nonaccrual Loans (Details) - USD ($) $ in Thousands | Mar. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans Receivable | $ 2,826,650 | $ 2,919,981
Commercial Portfolio Segment |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans Receivable | 2,287,460 | 2,286,517
Commercial Portfolio Segment | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans Receivable | 2,263,440 | 2,260,087
Commercial Portfolio Segment | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans Receivable | 14,520 | 15,186
Commercial Portfolio Segment | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans Receivable | 9,500 | 11,244
Commercial Portfolio Segment | Commercial and industrial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans Receivable | 95,227 | 96,420
Commercial Portfolio Segment | Commercial and industrial | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans Receivable | 91,028 | 89,818
Commercial Portfolio Segment | Commercial and industrial | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans Receivable | 3,301 | 3,973
Commercial Portfolio Segment | Commercial and industrial | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans Receivable | 898 | 2,629
Commercial Portfolio Segment | Owner-occupied commercial real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans Receivable | 74,737 | 73,392
Commercial Portfolio Segment | Owner-occupied commercial real estate | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans Receivable | 74,142 | 71,068
Commercial Portfolio Segment | Owner-occupied commercial real estate | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans Receivable | 0 | 1,727
Commercial Portfolio Segment | Owner-occupied commercial real estate | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans Receivable | 595 | 597
Commercial Portfolio Segment | Investor commercial real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans Receivable | 13,421 | 12,567
Commercial Portfolio Segment | Investor commercial real estate | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans Receivable | 13,421 | 12,567
Commercial Portfolio Segment | Investor commercial real estate | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans Receivable | 0 | 0
Commercial Portfolio Segment | Investor commercial real estate | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans Receivable | 0 | 0
Commercial Portfolio Segment | Construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans Receivable | 64,581 | 60,274
Commercial Portfolio Segment | Construction | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans Receivable | 64,581 | 60,274
Commercial Portfolio Segment | Construction | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans Receivable | 0 | 0
Commercial Portfolio Segment | Construction | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans Receivable | 0 | 0
Commercial Portfolio Segment | Single tenant lease financing |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans Receivable | 972,275 | 995,879
Commercial Portfolio Segment | Single tenant lease financing | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans Receivable | 959,161 | 983,448
Commercial Portfolio Segment | Single tenant lease financing | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans Receivable | 8,434 | 7,751
Commercial Portfolio Segment | Single tenant lease financing | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans Receivable | 4,680 | 4,680
Commercial Portfolio Segment | Public finance |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans Receivable | 627,678 | 687,094
Commercial Portfolio Segment | Public finance | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans Receivable | 627,678 | 687,094
Commercial Portfolio Segment | Public finance | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans Receivable | 0 | 0
Commercial Portfolio Segment | Public finance | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans Receivable | 0 | 0
Commercial Portfolio Segment | Healthcare finance |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans Receivable | 372,266 | 300,612
Commercial Portfolio Segment | Healthcare finance | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans Receivable | 371,203 | 300,612
Commercial Portfolio Segment | Healthcare finance | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans Receivable | 1,063 | 0
Commercial Portfolio Segment | Healthcare finance | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans Receivable | 0 | 0
Commercial Portfolio Segment | Small business lending |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans Receivable | 67,275 | 60,279
Commercial Portfolio Segment | Small business lending | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans Receivable | 62,226 | 55,206
Commercial Portfolio Segment | Small business lending | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans Receivable | 1,722 | 1,735
Commercial Portfolio Segment | Small business lending | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans Receivable | $ 3,327 | $ 3,338

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