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Fair Value Measurements - Carrying Values and Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018
--- | --- | ---
ASSETS |  |  |  |
Securities, at fair value |  | $ 668,588 | $ 684,872 |
Portfolio loans, net |  | 5,971,721 | 5,885,652 |
FHLB and other restricted stock |  | 22,491 | 29,435 |
LIABILITIES |  |  |  |
Junior subordinated debt securities |  | 45,619 | 45,619 |
Carrying Value |  |  |  |
ASSETS |  |  |  |
Cash and due from banks, including interest-bearing deposits | [1] | 122,876 | 155,489 |
Securities, at fair value | [1] | 668,588 | 684,872 |
Loans held for sale | [1] | 8,135 | 2,371 |
Portfolio loans, net | [1] | 5,971,721 | 5,885,652 |
Bank owned life insurance | [1] | 74,906 | 73,900 |
FHLB and other restricted stock | [1] | 22,491 | 29,435 |
Securities held in a deferred compensation plan | [1] | 5,532 | 4,725 |
Mortgage servicing rights | [1] | 4,214 | 4,464 |
LIABILITIES |  |  |  |
Deposits | [1] | 5,856,700 | 5,673,922 |
Securities sold under repurchase agreements | [1] | 14,154 | 18,383 |
Short-term borrowings | [1] | 295,000 | 470,000 |
Long-term borrowings | [1] | 69,791 | 70,314 |
Junior subordinated debt securities | [1] | 45,619 | 45,619 |
Carrying Value | Interest rate swaps |  |  |  |
ASSETS |  |  |  |
Derivative financial assets |  | 22,688 | 5,504 | [1]
LIABILITIES |  |  |  |
Derivative financial liabilities | [1] | 22,620 | 5,340 |
Carrying Value | Interest rate lock commitments |  |  |  |
ASSETS |  |  |  |
Derivative financial assets | [1] | 649 | 251 |
Carrying Value | Forward sale contracts |  |  |  |
ASSETS |  |  |  |
Derivative financial assets | [1] |  | 55 |
Carrying Value | Level 2 | Forward sale contracts |  |  |  |
LIABILITIES |  |  |  |
Derivative financial liabilities |  | 105 |  |
Fair Value Measurements |  |  |  |
ASSETS |  |  |  |
Cash and due from banks, including interest-bearing deposits |  | 122,876 | 155,489 |
Securities, at fair value |  | 668,588 | 684,872 |
Loans held for sale |  | 8,135 | 2,469 |
Portfolio loans, net |  | 5,836,651 | 5,728,843 |
Bank owned life insurance |  | 74,906 | 73,900 |
FHLB and other restricted stock |  | 22,491 | 29,435 |
Securities held in a deferred compensation plan |  | 5,532 | 4,725 |
Mortgage servicing rights |  | 4,728 | 5,181 |
LIABILITIES |  |  |  |
Deposits |  | 5,854,053 | 5,662,193 |
Securities sold under repurchase agreements |  | 14,154 | 18,383 |
Short-term borrowings |  | 295,000 | 470,000 |
Long-term borrowings |  | 70,405 | 70,578 |
Junior subordinated debt securities |  | 45,619 | 45,619 |
Fair Value Measurements | Interest rate swaps |  |  |  |
ASSETS |  |  |  |
Derivative financial assets |  | 22,688 | 5,504 |
LIABILITIES |  |  |  |
Derivative financial liabilities |  | 22,620 | 5,340 |
Fair Value Measurements | Interest rate lock commitments |  |  |  |
ASSETS |  |  |  |
Derivative financial assets |  | 649 | 251 |
Fair Value Measurements | Forward sale contracts |  |  |  |
ASSETS |  |  |  |
Derivative financial assets |  |  | 55 |
LIABILITIES |  |  |  |
Derivative financial liabilities |  | 105 |  |
Fair Value Measurements | Level 1 |  |  |  |
ASSETS |  |  |  |
Cash and due from banks, including interest-bearing deposits |  | 122,876 | 155,489 |
Securities, at fair value |  | 0 | 0 |
Loans held for sale |  | 0 | 0 |
Portfolio loans, net |  | 0 | 0 |
Bank owned life insurance |  | 0 | 0 |
FHLB and other restricted stock |  | 0 | 0 |
Securities held in a deferred compensation plan |  | 5,532 | 4,725 |
Mortgage servicing rights |  | 0 | 0 |
LIABILITIES |  |  |  |
Deposits |  | 4,508,445 | 4,261,884 |
Securities sold under repurchase agreements |  | 14,154 | 18,383 |
Short-term borrowings |  | 295,000 | 470,000 |
Long-term borrowings |  | 39,334 | 38,610 |
Junior subordinated debt securities |  | 45,619 | 45,619 |
Fair Value Measurements | Level 1 | Interest rate swaps |  |  |  |
ASSETS |  |  |  |
Derivative financial assets |  | 0 | 0 |
LIABILITIES |  |  |  |
Derivative financial liabilities |  | 0 | 0 |
Fair Value Measurements | Level 1 | Interest rate lock commitments |  |  |  |
ASSETS |  |  |  |
Derivative financial assets |  | 0 | 0 |
Fair Value Measurements | Level 1 | Forward sale contracts |  |  |  |
ASSETS |  |  |  |
Derivative financial assets |  |  | 0 |
LIABILITIES |  |  |  |
Derivative financial liabilities |  | 0 |  |
Fair Value Measurements | Level 2 |  |  |  |
ASSETS |  |  |  |
Cash and due from banks, including interest-bearing deposits |  | 0 | 0 |
Securities, at fair value |  | 668,588 | 684,872 |
Loans held for sale |  | 0 | 0 |
Portfolio loans, net |  | 0 | 0 |
Bank owned life insurance |  | 74,906 | 73,900 |
FHLB and other restricted stock |  | 0 | 0 |
Securities held in a deferred compensation plan |  | 0 | 0 |
Mortgage servicing rights |  | 0 | 0 |
LIABILITIES |  |  |  |
Deposits |  | 1,345,608 | 1,400,309 |
Securities sold under repurchase agreements |  | 0 | 0 |
Short-term borrowings |  | 0 | 0 |
Long-term borrowings |  | 31,071 | 31,968 |
Junior subordinated debt securities |  | 0 | 0 |
Fair Value Measurements | Level 2 | Interest rate swaps |  |  |  |
ASSETS |  |  |  |
Derivative financial assets |  | 22,688 | 5,504 |
LIABILITIES |  |  |  |
Derivative financial liabilities |  | 22,620 | 5,340 |
Fair Value Measurements | Level 2 | Interest rate lock commitments |  |  |  |
ASSETS |  |  |  |
Derivative financial assets |  | 649 | 251 |
Fair Value Measurements | Level 2 | Forward sale contracts |  |  |  |
ASSETS |  |  |  |
Derivative financial assets |  |  | 55 |
LIABILITIES |  |  |  |
Derivative financial liabilities |  | 105 |  |
Fair Value Measurements | Level 3 |  |  |  |
ASSETS |  |  |  |
Cash and due from banks, including interest-bearing deposits |  | 0 | 0 |
Securities, at fair value |  | 0 | 0 |
Loans held for sale |  | 8,135 | 2,469 |
Portfolio loans, net |  | 5,836,651 | 5,728,843 |
Bank owned life insurance |  | 0 | 0 |
FHLB and other restricted stock |  | 22,491 | 29,435 |
Securities held in a deferred compensation plan |  | 0 | 0 |
Mortgage servicing rights |  | 4,728 | 5,181 |
LIABILITIES |  |  |  |
Deposits |  | 0 | 0 |
Securities sold under repurchase agreements |  | 0 | 0 |
Short-term borrowings |  | 0 | 0 |
Long-term borrowings |  | 0 | 0 |
Junior subordinated debt securities |  | 0 | 0 |
Fair Value Measurements | Level 3 | Interest rate swaps |  |  |  |
ASSETS |  |  |  |
Derivative financial assets |  | 0 | 0 |
LIABILITIES |  |  |  |
Derivative financial liabilities |  | 0 | 0 |
Fair Value Measurements | Level 3 | Interest rate lock commitments |  |  |  |
ASSETS |  |  |  |
Derivative financial assets |  | 0 | 0 |
Fair Value Measurements | Level 3 | Forward sale contracts |  |  |  |
ASSETS |  |  |  |
Derivative financial assets |  |  | $ 0 |
LIABILITIES |  |  |  |
Derivative financial liabilities |  | $ 0 |  |
[1] | As reported in the Consolidated Balance Sheets

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- Definition Fair value portion of the amount that could be realized under a life insurance contract or contracts owned by the entity, commonly known as corporate-owned life insurance (COLI) or bank-owned life insurance (BOLI). + References No definition available. + Details
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- Definition Carrying value as of the balance sheet date of long-term debt (with maturities initially due after one year or beyond the operating cycle if longer) identified as Junior Subordinated Notes, which have a lower priority than senior instruments, excluding current portion. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=118952595&loc=d3e4428-111522 Reference 2: 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) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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