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Fair Value Measurements - Carrying Values and Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
ASSETS |  |
Securities, at fair value | $ 840,375 | $ 773,693
Portfolio loans, net | 6,897,715 | 7,108,248
LIABILITIES |  |
Junior subordinated debt securities |  | 64,083
Carrying Value |  |
ASSETS |  |
Cash and due from banks, including interest-bearing deposits | 985,278 | 229,666
Securities, at fair value | 840,375 | 773,693
Loans held for sale | 7,648 | 18,528
Portfolio loans, net | 6,897,715 | 7,108,248
Bank owned life insurance | 83,087 | 82,303
Collateral receivable | 45,703 | 77,936
Securities held in a deferred compensation plan | 7,808 | 6,794
Mortgage servicing rights | 6,658 | 4,976
LIABILITIES |  |
Deposits | 8,015,264 | 7,420,538
Securities sold under repurchase agreements | 68,587 | 65,163
Short-term borrowings | 0 | 75,000
Long-term borrowings | 22,969 | 23,681
Junior subordinated debt securities | 64,112 | 64,083
Carrying Value | Interest rate swaps |  |
ASSETS |  |
Derivative financial assets | 49,078 | 78,319
LIABILITIES |  |
Derivative financial liabilities | 49,477 | 79,033
Carrying Value | Interest rate lock commitments |  |
ASSETS |  |
Derivative financial assets | 1,137 | 2,900
Carrying Value | Forward sale contracts |  |
LIABILITIES |  |
Derivative financial liabilities | 91 | 385
Fair Value Measurements |  |
ASSETS |  |
Cash and due from banks, including interest-bearing deposits | 985,278 | 229,666
Securities, at fair value | 840,375 | 773,693
Loans held for sale | 7,648 | 18,528
Portfolio loans, net | 6,808,655 | 7,028,446
Bank owned life insurance | 0 | 82,303
Collateral receivable | 45,703 | 77,936
Securities held in a deferred compensation plan | 7,808 | 6,794
Mortgage servicing rights | 6,658 | 4,976
LIABILITIES |  |
Deposits | 8,014,963 | 7,422,894
Securities sold under repurchase agreements | 68,587 | 65,163
Short-term borrowings | 0 | 75,000
Long-term borrowings | 23,529 | 24,545
Junior subordinated debt securities | 64,112 | 64,083
Fair Value Measurements | Interest rate swaps |  |
ASSETS |  |
Derivative financial assets | 49,078 | 78,319
LIABILITIES |  |
Derivative financial liabilities | 49,477 | 79,033
Fair Value Measurements | Interest rate lock commitments |  |
ASSETS |  |
Derivative financial assets | 1,137 | 2,900
Fair Value Measurements | Forward sale contracts |  |
LIABILITIES |  |
Derivative financial liabilities | 91 | 385
Fair Value Measurements | Level 1 |  |
ASSETS |  |
Cash and due from banks, including interest-bearing deposits | 985,278 | 229,666
Securities, at fair value | 75,819 | 13,510
Loans held for sale | 0 | 0
Portfolio loans, net | 0 | 0
Bank owned life insurance | 0 | 0
Collateral receivable | 45,703 | 77,936
Securities held in a deferred compensation plan | 7,808 | 6,794
Mortgage servicing rights | 0 | 0
LIABILITIES |  |
Deposits | 6,745,643 | 6,033,075
Securities sold under repurchase agreements | 68,587 | 65,163
Short-term borrowings | 0 | 75,000
Long-term borrowings | 4,398 | 4,494
Junior subordinated debt securities | 64,112 | 64,083
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 |  |
LIABILITIES |  |
Derivative financial liabilities | 0 | 0
Fair Value Measurements | Level 2 |  |
ASSETS |  |
Cash and due from banks, including interest-bearing deposits | 0 | 0
Securities, at fair value | 764,556 | 760,183
Loans held for sale | 7,648 | 0
Portfolio loans, net | 0 | 0
Bank owned life insurance | 0 | 82,303
Collateral receivable | 0 | 0
Securities held in a deferred compensation plan | 0 | 0
Mortgage servicing rights | 0 | 0
LIABILITIES |  |
Deposits | 1,269,320 | 1,389,819
Securities sold under repurchase agreements | 0 | 0
Short-term borrowings | 0 | 0
Long-term borrowings | 19,131 | 20,051
Junior subordinated debt securities | 0 | 0
Fair Value Measurements | Level 2 | Interest rate swaps |  |
ASSETS |  |
Derivative financial assets | 49,078 | 78,319
LIABILITIES |  |
Derivative financial liabilities | 49,477 | 79,033
Fair Value Measurements | Level 2 | Interest rate lock commitments |  |
ASSETS |  |
Derivative financial assets | 0 | 0
Fair Value Measurements | Level 2 | Forward sale contracts |  |
LIABILITIES |  |
Derivative financial liabilities | 91 | 385
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 | 0 | 18,528
Portfolio loans, net | 6,808,655 | 7,028,446
Bank owned life insurance | 0 | 0
Collateral receivable | 0 | 0
Securities held in a deferred compensation plan | 0 | 0
Mortgage servicing rights | 6,658 | 4,976
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 | 1,137 | 2,900
Fair Value Measurements | Level 3 | Forward sale contracts |  |
LIABILITIES |  |
Derivative financial liabilities | $ 0 | $ 0

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- Definition Amount excluding accrued interest, after allowance for credit loss, of financing receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 + 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=120391452&loc=d3e13212-122682 + Details
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- Definition The carrying value as of the balance sheet date of the assets received as collateral against securities loaned to other broker-dealers. Borrowers of securities generally are required to provide collateral to the lenders of securities, commonly cash but sometimes other securities or standby letters of credit, with a value slightly higher than that of the securities borrowed. In instances where the entity is permitted to sell or re-pledge these securities, the entity reports the fair value of the collateral received and the related obligation to return the collateral as a liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 50 -Paragraph 1A -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=109249958&loc=SL6224234-111729 + Details
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