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Fair Value Measurement
6 Months Ended
Jun. 30, 2021
Fair Value Disclosures [Abstract]  
Fair Value Measurement Fair Value Measurement 
 
The following table presents estimated fair values of the Company's financial instruments as of June 30, 2021 and December 31, 2020, whether or not recognized or recorded at fair value in the Condensed Consolidated Balance Sheets:  
June 30, 2021December 31, 2020
 (in thousands)LevelCarrying ValueFair ValueCarrying ValueFair Value
Financial assets:    
Cash and cash equivalents1$3,085,811 $3,085,811 $2,573,181 $2,573,181 
Equity and other investment securities1,282,099 82,099 83,077 83,077 
Investment securities available for sale23,473,950 3,473,950 2,932,558 2,932,558 
Investment securities held to maturity32,876 3,690 3,034 3,883 
Loans held for sale2429,052 429,052 766,225 766,225 
Loans and leases, net
2,321,863,852 22,174,722 21,450,966 21,904,189 
Restricted equity securities115,247 15,247 41,666 41,666 
Residential mortgage servicing rights3102,699 102,699 92,907 92,907 
Bank owned life insurance1324,998 324,998 323,470 323,470 
Derivatives2,3236,018 236,018 342,510 342,510 
Financial liabilities:    
Deposits1,2$26,153,553 $26,160,749 $24,622,201 $24,641,876 
Securities sold under agreements to repurchase2480,302 480,302 375,384 375,384 
Borrowings2111,405 112,364 771,482 774,586 
Junior subordinated debentures, at fair value3287,723 287,723 255,217 255,217 
Junior subordinated debentures, at amortized cost388,155 65,044 88,268 67,425 
Derivatives26,928 6,928 8,782 8,782 
Fair Value of Assets and Liabilities Measured on a Recurring Basis 

The following tables present information about the Company's assets and liabilities measured at fair value on a recurring basis as of June 30, 2021 and December 31, 2020: 
(in thousands) 
June 30, 2021
DescriptionTotalLevel 1Level 2Level 3
Financial assets:
Equity and other investment securities    
Investments in mutual funds and other securities$69,500 $52,163 $17,337 $— 
Equity securities held in rabbi trusts12,599 12,599 — — 
Investment securities available for sale    
U.S. Treasury and agencies774,368 — 774,368 — 
Obligations of states and political subdivisions278,126 — 278,126 — 
Residential mortgage-backed securities and collateralized mortgage obligations2,421,456 — 2,421,456 — 
Loans held for sale, at fair value429,052 — 429,052 — 
Loans and leases, at fair value359,273 — 359,273 — 
Residential mortgage servicing rights, at fair value 102,699 — — 102,699 
Derivatives    
Interest rate lock commitments13,210 — — 13,210 
Interest rate forward sales commitments411 — 411 — 
Interest rate swaps221,567 — 221,567 — 
Foreign currency derivative830 — 830 — 
Total assets measured at fair value$4,683,091 $64,762 $4,502,420 $115,909 
Financial liabilities:
Junior subordinated debentures, at fair value$287,723 $— $— $287,723 
Derivatives    
Interest rate forward sales commitments1,295 — 1,295 — 
Interest rate swaps4,919 — 4,919 — 
Foreign currency derivative714 — 714 — 
Total liabilities measured at fair value$294,651 $— $6,928 $287,723 
(in thousands) December 31, 2020
DescriptionTotalLevel 1Level 2Level 3
Financial assets:
Equity and other investment securities    
Investments in mutual funds and other securities$70,203 $52,866 $17,337 $— 
Equity securities held in rabbi trusts
12,814 12,814 — — 
  Other investments securities (1)
60 — 60 — 
Investment securities available for sale
U.S. Treasury and agencies762,202 — 762,202 — 
Obligations of states and political subdivisions279,511 — 279,511 — 
Residential mortgage-backed securities and collateralized mortgage obligations1,890,845 — 1,890,845 — 
Loans held for sale, at fair value688,079 — 688,079 — 
Residential mortgage servicing rights, at fair value92,907 — — 92,907 
Derivatives    
Interest rate lock commitments28,144 — — 28,144 
Interest rate forward sales commitments— — 
Interest rate swaps313,090 — 313,090 — 
Foreign currency derivative1,269 — 1,269 — 
Total assets measured at fair value$4,139,131 $65,680 $3,952,400 $121,051 
Financial liabilities:
Junior subordinated debentures, at fair value$255,217 $— $— $255,217 
Derivatives    
Interest rate forward sales commitments7,257 — 7,257 — 
Interest rate swaps370 — 370 — 
Foreign currency derivative1,155 — 1,155 — 
Total liabilities measured at fair value$263,999 $— $8,782 $255,217 
(1) Other investment securities includes securities held by Umpqua Investments as trading debt securities.

The following methods were used to estimate the fair value of each class of financial instrument that is carried at fair value in the tables above: 
 
Securities— Fair values for investment securities are based on quoted market prices when available or through the use of alternative approaches, such as matrix or model pricing, or broker indicative bids, when market quotes are not readily accessible or available. Management periodically reviews the pricing information received from the third-party pricing service and compares it to a secondary pricing service, evaluating significant price variances between services to determine an appropriate estimate of fair value to report.
 
Loans Held for Sale— Fair value for residential mortgage loans originated as held for sale is determined based on quoted secondary market prices for similar loans, including the implicit fair value of embedded servicing rights.

Loans and leases— Fair values are estimated for portfolios of loans with similar financial characteristics. Loans are segregated by type, including commercial, real estate and consumer loans. Each loan category is further segregated by fixed and adjustable rate loans. The fair value of loans is calculated by discounting expected cash flows at rates which similar loans are currently being made. These amounts are discounted further by embedded probable losses expected to be realized in the portfolio. For loans originated as held for sale and transferred into loans held for investment, the fair value is determined based on quoted secondary market prices for similar loans. As of June 30, 2021, there were $359.3 million in mortgage loans that were transferred from held for sale to loans held for investment, recorded at fair value.
 
Residential Mortgage Servicing Rights— The fair value of the MSRs is estimated using a discounted cash flow model. Assumptions used include market discount rates, anticipated prepayment speeds, delinquency and foreclosure rates, and ancillary fee income net of servicing costs. This model is periodically validated by an independent model validation group. The model assumptions and the MSR fair value estimates are also compared to observable trades of similar portfolios as well as to MSR broker valuations and industry surveys, as available. Management believes the significant inputs utilized are indicative of those that would be used by market participants. 
 
Junior Subordinated Debentures— The fair value of junior subordinated debentures is estimated using an income approach valuation technique.  The significant unobservable input utilized in the estimation of fair value of these instruments is the credit risk adjusted spread. The credit risk adjusted spread represents the nonperformance risk of the liability, contemplating the inherent risk of the obligation. The Company periodically utilizes a valuation firm to determine or validate the reasonableness of inputs and factors that are used to determine the fair value. The ending carrying (fair) value of the junior subordinated debentures measured at fair value represents the estimated amount that would be paid to transfer these liabilities in an orderly transaction amongst market participants.  Due to credit concerns in the capital markets and inactivity in the trust preferred markets that have limited the observability of market spreads, the Company has classified this as a Level 3 fair value measurement.  
 
Derivative Instruments— The fair value of the interest rate lock commitments and forward sales commitments are estimated using quoted or published market prices for similar instruments, adjusted for factors such as pull-through rate assumptions based on historical information, where appropriate.  The pull-through rate assumptions are considered Level 3 valuation inputs and are significant to the interest rate lock commitment valuation; as such, the interest rate lock commitment derivatives are classified as Level 3. The fair value of the interest rate swaps is determined using a discounted cash flow technique incorporating credit valuation adjustments to reflect nonperformance risk in the measurement of fair value. Although the Bank has determined that the majority of the inputs used to value its interest rate swap derivatives fall within Level 2 of the fair value hierarchy, the CVA associated with its derivatives utilize Level 3 inputs, such as estimates of current credit spreads to evaluate the likelihood of default by itself and its counterparties. However, as of June 30, 2021, the Bank has assessed the significance of the impact of the CVA on the overall valuation of its interest rate swap positions and has determined that the CVA are not significant to the overall valuation of its interest rate swap derivatives. As a result, the Bank has classified its interest rate swap derivative valuations in Level 2 of the fair value hierarchy.   
 
Assets and Liabilities Measured at Fair Value Using Significant Unobservable Inputs (Level 3) 
 
The following table provides a description of the valuation technique, significant unobservable inputs, and qualitative information about the unobservable inputs for the Company's assets and liabilities classified as Level 3 and measured at fair value on a recurring basis at June 30, 2021: 
Financial InstrumentFair Value (in thousands)Valuation TechniqueUnobservable InputRange of InputsWeighted Average
Residential mortgage servicing rights$102,699 Discounted cash flow  
  Constant prepayment rate
8.52% - 72.22%
16.75%
  Discount rate
9.50% - 12.50%
9.70%
Interest rate lock commitments$13,210 Internal pricing model
Pull-through rate
70.32% - 100.00%
86.42%
Junior subordinated debentures$287,723 Discounted cash flow  
  Credit spread
1.94% - 4.97%
3.81%

Generally, increases in the constant prepayment rate or the discount rate utilized in the fair value measurement of the residential mortgage servicing rights will result in a decrease in fair value. Conversely, decreases in the constant prepayment rate or the discount rate will result in an increase in fair value.

An increase in the pull-through rate utilized in the fair value measurement of the interest rate lock commitment derivative will result in an increase in the fair value measurement. Conversely, a decrease in the pull-through rate will result in a decrease in the fair value measurement.
Management believes that the credit risk adjusted spread utilized in the fair value measurement of the junior subordinated debentures carried at fair value is indicative of the nonperformance risk premium a willing market participant would require under current market conditions, which is an inactive market. Generally, an increase in the credit spread will result in a decrease in the estimated fair value. Conversely, a decrease in the credit spread will result in an increase in the estimated fair value.

The following table provides a reconciliation of assets and liabilities measured at fair value using significant unobservable inputs (Level 3) on a recurring basis during the three and six months ended June 30, 2021 and 2020: 
Three Months EndedThree Months Ended
June 30, 2021June 30, 2020
(in thousands)Residential mortgage servicing rightsInterest rate lock commitments, netJunior subordinated debentures, at fair valueResidential mortgage servicing rightsInterest rate lock commitments, netJunior subordinated debentures, at fair value
Beginning balance$100,413 $14,755 $281,580 $94,346 $23,727 $195,521 
Change included in earnings(6,044)2,356 2,367 (11,437)2,529 3,083 
Change in fair values included in comprehensive income/loss— — 5,996 — — 37,450 
Purchases and issuances8,330 21,548 — 13,447 48,007 — 
Sales and settlements— (25,449)(2,220)— (48,726)(3,118)
Ending balance$102,699 $13,210 $287,723 $96,356 $25,537 $232,936 
Change in unrealized gains or losses for the period included in earnings for assets and liabilities held at end of period$(1,678)$13,210 $2,367 $(6,395)$25,537 $3,083 
Change in unrealized gains or losses for the period included in other comprehensive income for assets and liabilities held at end of period$— $— $5,996 $— $— $37,450 
Six Months EndedSix Months Ended
June 30, 2021June 30, 2020
(in thousands)Residential mortgage servicing rightsInterest rate lock commitments, netJunior subordinated debentures, at fair valueResidential mortgage servicing rightsInterest rate lock commitments, netJunior subordinated debentures, at fair value
Beginning Balance$92,907 $28,144 $255,217 $115,010 $7,056 $274,812 
Change included in earnings(12,603)(1,102)4,743 (42,124)7,223 6,973 
Change in fair values included in comprehensive income/loss— — 32,558 — — (41,412)
Purchases and issuances22,395 51,723 — 23,470 75,008 — 
Sales and settlements— (65,555)(4,795)— (63,750)(7,437)
Ending Balance$102,699 $13,210 $287,723 $96,356 $25,537 $232,936 
Change in unrealized gains or losses for the period included in earnings for assets held at end of period$(3,692)$13,210 $4,743 $(31,753)$25,537 $6,973 
Change in unrealized gains or losses for the period included in other comprehensive income for assets held at end of period$— $— $32,558 $— $— $(41,412)
Changes in residential mortgage servicing rights carried at fair value are recorded in residential mortgage banking revenue within non-interest income. Gains (losses) on interest rate lock commitments carried at fair value are recorded in residential mortgage banking revenue within non-interest income. The contractual interest expense on the junior subordinated debentures is recorded on an accrual basis as interest on junior subordinated debentures within interest expense. Settlements related to the junior subordinated debentures represent the payment of accrued interest that is embedded in the fair value of these liabilities. 

The change in fair value of junior subordinated debentures is attributable to the change in the instrument specific credit risk; accordingly, the unrealized losses on fair value of junior subordinated debentures of $6.0 million and $32.6 million for the three and six months ended June 30, 2021, are recorded net of tax as an other comprehensive loss of $4.5 million and $24.2 million, respectively. Comparatively, unrealized losses of $37.5 million and unrealized gains of $41.4 million were recorded net of tax as an other comprehensive loss of $27.8 million and other comprehensive income of $30.8 million, respectively, for the three and six months ended June 30, 2020.

Fair Value of Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis 
 
From time to time, certain assets are measured at fair value on a nonrecurring basis.  These adjustments to fair value generally result from the application of lower-of-cost-or-market accounting or write-downs of individual assets due to impairment, typically on collateral dependent loans. The following tables present information about the Company's assets and liabilities measured at fair value on a nonrecurring basis for which a nonrecurring change in fair value has been recorded during the reporting period.  The amounts disclosed below represent the fair values at the time the nonrecurring fair value measurements were made, and not necessarily the fair value as of the dates reported upon. 
June 30, 2021
 (in thousands)TotalLevel 1Level 2Level 3
Loans and leases$3,997 $— $— $3,997 
Total assets measured at fair value on a nonrecurring basis$3,997 $— $— $3,997 
December 31, 2020
 (in thousands) 
TotalLevel 1Level 2Level 3
Loans and leases$8,231 $— $— $8,231 
Total assets measured at fair value on a nonrecurring basis$8,231 $— $— $8,231 

The following table presents the losses resulting from nonrecurring fair value adjustments for the three and six months ended June 30, 2021 and 2020:  

Three Months EndedSix Months Ended
  (in thousands) 
June 30, 2021June 30, 2020June 30, 2021June 30, 2020
Loans and leases$16,697 $16,497 $35,010 $38,539 
Goodwill impairment — — — 1,784,936 
Total loss from nonrecurring measurements$16,697 $16,497 $35,010 $1,823,475 

Goodwill was evaluated for impairment as of March 31, 2020, resulting in an impairment charge of $1.8 billion for the six months ended June 30, 2020.

The following provides a description of the valuation technique and inputs for the Company's assets and liabilities classified as Level 3 and measured at fair value on a nonrecurring basis, excluding goodwill. Unobservable inputs and qualitative information about the unobservable inputs are not presented as the fair value is determined by third-party information for loans and leases.
The loans and leases amounts above represent collateral dependent loans and leases that have been adjusted to fair value.  When a loan or non-homogeneous lease is identified as collateral dependent, the Bank measures the impairment using the current fair value of the collateral, less selling costs. Depending on the characteristics of a loan or lease, the fair value of collateral is generally estimated by obtaining external appraisals, but in some cases, the value of the collateral may be estimated as having little to no value.  When a homogeneous lease or equipment finance agreement becomes 181 days past due, it is determined that the collateral has little to no value. If it is determined that the value of the collateral dependent loan or lease is less than its recorded investment, the Bank recognizes this impairment and adjusts the carrying value of the loan or lease to fair value, less costs to sell, through the allowance for credit losses. The loss represents charge-offs on collateral dependent loans and leases for fair value adjustments based on the fair value of collateral.
 
Fair Value Option
The following table presents the difference between the aggregate fair value and the aggregate unpaid principal balance of loans held for sale and loans held for investment accounted for under the fair value option as of June 30, 2021 and December 31, 2020:
June 30, 2021December 31, 2020
(in thousands)Fair Value Aggregate Unpaid Principal BalanceFair Value Less Aggregate Unpaid Principal BalanceFair ValueAggregate Unpaid Principal BalanceFair Value Less Aggregate Unpaid Principal Balance
  Loans held for sale$429,052 $412,744 $16,308 $688,079 $654,555 $33,524 
  Loans $359,273 $349,457 $9,816 $— $— $— 

Residential mortgage loans held for sale accounted for under the fair value option are measured initially at fair value with subsequent changes in fair value recognized in earnings. Gains and losses from such changes in fair value are reported as a component of residential mortgage banking revenue. For the three and six months ended June 30, 2021, the Company recorded a net increase in fair value of $10.6 million and decrease of $9.0 million, respectively. For the three and six months ended June 30, 2020, the Company recorded a net increase in fair value of $6.2 million and $14.3 million, respectively.

Certain residential mortgage loans were initially originated for sale and initially measured at fair value; after origination, the loans were transferred to loans held for investment. Gains and losses from changes in fair value for these loans are reported in earnings as a component of other income. For the three and six months ended June 30, 2021, the Company recorded a net increase in fair value of $2.8 million.
The Company selected the fair value measurement option for certain junior subordinated debentures. The remaining junior subordinated debentures were acquired through previous business combinations and were measured at fair value at the time of acquisition and subsequently measured at amortized cost.