Fair Value Measurements - Assets and Liabilities Not Measured and Reported at Fair Value on a Recurring Basis or Nonrecurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Financial assets
Securities available for sale	$ 1,303,494	$ 1,290,613
Loans held for sale	339,747	318,272
Mortgage servicing rights	51,474	53,208
Carrying Value
Financial assets
Cash and cash equivalents	616,903	414,930
Securities available for sale	1,303,494	1,290,613
Loans held for sale	339,747	318,272
Loans, net	10,851,917	9,637,476
Mortgage servicing rights	51,474	53,208
Derivative instruments	40,982	8,498
Financial liabilities
Deposits	11,846,358	10,213,168
Short-term borrowings	341,810	489,091
Federal Home Loan Bank advances	152,250	152,337
Junior subordinated debentures	110,505	110,215
Subordinated notes	113,925	113,955
Derivative instruments	26,934	10,000
Fair Value
Financial assets
Cash and cash equivalents	616,903	414,930
Securities available for sale	1,303,494	1,290,613
Loans held for sale	339,747	318,272
Loans, net	10,646,335	9,321,039
Mortgage servicing rights	51,474	53,208
Derivative instruments	40,982	8,498
Financial liabilities
Deposits	11,868,844	10,210,967
Short-term borrowings	341,810	489,091
Federal Home Loan Bank advances	158,173	152,321
Junior subordinated debentures	89,591	104,480
Subordinated notes	111,550	117,963
Derivative instruments	26,934	10,000
Fair Value \| Level 1
Financial assets
Cash and cash equivalents	616,903	414,930
Securities available for sale	0	0
Loans held for sale	0	0
Loans, net	0	0
Mortgage servicing rights	0	0
Derivative instruments	0	0
Financial liabilities
Deposits	9,860,461	8,052,536
Short-term borrowings	341,810	489,091
Federal Home Loan Bank advances	0	0
Junior subordinated debentures	0	0
Subordinated notes	0	0
Derivative instruments	0	0
Fair Value \| Level 2
Financial assets
Cash and cash equivalents	0	0
Securities available for sale	1,295,815	1,280,627
Loans held for sale	339,747	318,272
Loans, net	0	0
Mortgage servicing rights	0	0
Derivative instruments	40,982	8,498
Financial liabilities
Deposits	2,008,383	2,158,431
Short-term borrowings	0	0
Federal Home Loan Bank advances	158,173	152,321
Junior subordinated debentures	89,591	104,480
Subordinated notes	111,550	117,963
Derivative instruments	26,934	10,000
Fair Value \| Level 3
Financial assets
Cash and cash equivalents	0	0
Securities available for sale	7,679	9,986
Loans held for sale	0	0
Loans, net	10,646,335	9,321,039
Mortgage servicing rights	51,474	53,208
Derivative instruments	0	0
Financial liabilities
Deposits	0	0
Short-term borrowings	0	0
Federal Home Loan Bank advances	0	0
Junior subordinated debentures	0	0
Subordinated notes	0	0
Derivative instruments	$ 0	$ 0

Junior Subordinated Debt Obligations, Fair Value Disclosure

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Fair value portion of deposit liabilities held by the entity, including, but not limited to, foreign and domestic, interest and noninterest bearing, demand deposits, saving deposits, negotiable orders of withdrawal (NOW) and time deposits.

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No definition available.

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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- Definition

Fair value of subordinated debt obligations including, but not limited to, subordinated loan, subordinated bond, subordinated debenture or junior debt.

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Including both current and noncurrent portions, Federal Home Loan Bank borrowings initially due beyond one year or beyond the normal operating cycle if longer.

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- Definition

Amount, after valuation allowance, of financing receivable held for sale and not part of disposal group. Excludes loan covered under loss sharing agreement and loan classified as investment in debt security.

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Amount, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement.

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Amortized amount of contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.

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- Definition

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents the amount of short-term debt existing as of the balance sheet date.

+ References

No definition available.

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