XML 86 R73.htm IDEA: XBRL DOCUMENT v3.22.0.1
Fair Value of Financial Instruments (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Assets, Fair Value Disclosure [Abstract]    
Other Investments $ 101,000 $ 47,800
Assets and liabilities measured at fair value on a nonrecurring basis [Abstract]    
Valuation allowance of impaired loans 1,700 3,500
Assets measured on recurring basis, unobservable input reconciliation, calculation [Roll Forward]    
Transfers out of Level 3 0  
Other Liabilities    
Assets measured on recurring basis, unobservable input reconciliation, calculation [Roll Forward]    
Fair value, beginning of period 0 0
Total realized gains included in income 0 0
Fair Value, Assets Measured on Recurring Basis, Change in Unrealized Gain (Loss) 0 0
Purchases 0 0
Issuances 0 0
Settlements 0 0
Transfers out of Level 3 0 0
Fair value, December 31 0 0
Other Assets    
Assets measured on recurring basis, unobservable input reconciliation, calculation [Roll Forward]    
Fair value, beginning of period 47,759 38,156
Total realized gains included in income 23,109 1,067
Fair Value, Assets Measured on Recurring Basis, Change in Unrealized Gain (Loss) 0 0
Purchases 45,986 11,663
Issuances 0 0
Settlements (15,858) (3,127)
Transfers out of Level 3 0 0
Fair value, December 31 100,996 47,759
Available-for-sale Securities    
Assets measured on recurring basis, unobservable input reconciliation, calculation [Roll Forward]    
Fair value, beginning of period 15,497 15,903
Total realized gains included in income 1,302 110
Fair Value, Assets Measured on Recurring Basis, Change in Unrealized Gain (Loss) (3,184) 627
Purchases 0 0
Issuances 0 0
Settlements (12,787) (1,143)
Transfers out of Level 3 0 0
Fair value, December 31 828 15,497
Fair Value, Measurements, Nonrecurring    
Assets, Fair Value Disclosure [Abstract]    
Total assets at fair value 39,336 56,155
Assets and liabilities measured at fair value on a nonrecurring basis [Abstract]    
Other real estate owned 8,537 12,360
Impaired Financing Receivable, with Related Allowance, Recorded Investment [1] 30,799 43,795
Fair Value, Measurements, Nonrecurring | Quoted Market Prices in an Active Market (Level 1)    
Assets, Fair Value Disclosure [Abstract]    
Total assets at fair value 0 0
Assets and liabilities measured at fair value on a nonrecurring basis [Abstract]    
Other real estate owned 0 0
Impaired Financing Receivable, with Related Allowance, Recorded Investment [1] 0 0
Fair Value, Measurements, Nonrecurring | Models with Significant Observable Market Parameters (Level 2)    
Assets, Fair Value Disclosure [Abstract]    
Total assets at fair value 0 0
Assets and liabilities measured at fair value on a nonrecurring basis [Abstract]    
Other real estate owned 0 0
Impaired Financing Receivable, with Related Allowance, Recorded Investment [1] 0 0
Fair Value, Measurements, Nonrecurring | Models with Significant Unobservable Market Parameters (Level 3)    
Assets, Fair Value Disclosure [Abstract]    
Total assets at fair value 39,336 56,155
Assets and liabilities measured at fair value on a nonrecurring basis [Abstract]    
Other real estate owned 8,537 12,360
Impaired Financing Receivable, with Related Allowance, Recorded Investment [1] 30,799 43,795
Fair Value, Measurements, Recurring    
Assets, Fair Value Disclosure [Abstract]    
U.S. treasury securities 193,609 82,209
U.S. government agency securities 632,009 76,403
Mortgage-backed securities 1,920,239 1,689,191
State and municipal securities 1,823,837 1,443,363
Asset-backed securities 229,569 177,936
Corporate notes and other, Fair Value Disclosure 114,931 117,579
Total investment securities available-for-sale 4,914,194 3,586,681
Other Investments 125,969 73,395
Other assets 57,441 242,470
Total assets at fair value 5,097,604 3,902,546
Liabilities at fair value [Abstract]    
Other liabilities 80,106 177,025
Total liabilities at fair value 80,106 177,025
Fair Value, Measurements, Recurring | Quoted Market Prices in an Active Market (Level 1)    
Assets, Fair Value Disclosure [Abstract]    
U.S. treasury securities 0 0
U.S. government agency securities 0 0
Mortgage-backed securities 0 0
State and municipal securities 0 0
Asset-backed securities 0 0
Corporate notes and other, Fair Value Disclosure 0 0
Total investment securities available-for-sale 0 0
Other Investments 0 0
Other assets 0 0
Total assets at fair value 0 0
Liabilities at fair value [Abstract]    
Other liabilities 0 0
Total liabilities at fair value 0 0
Fair Value, Measurements, Recurring | Models with Significant Observable Market Parameters (Level 2)    
Assets, Fair Value Disclosure [Abstract]    
U.S. treasury securities 193,609 82,209
U.S. government agency securities 632,009 76,403
Mortgage-backed securities 1,920,239 1,689,191
State and municipal securities 1,823,009 1,427,866
Asset-backed securities 229,569 177,936
Corporate notes and other, Fair Value Disclosure 114,931 117,579
Total investment securities available-for-sale 4,913,366 3,571,184
Other Investments 24,973 25,636
Other assets 57,441 242,470
Total assets at fair value 4,995,780 3,839,290
Liabilities at fair value [Abstract]    
Other liabilities 80,106 177,025
Total liabilities at fair value 80,106 177,025
Fair Value, Measurements, Recurring | Models with Significant Unobservable Market Parameters (Level 3)    
Assets, Fair Value Disclosure [Abstract]    
U.S. treasury securities 0 0
U.S. government agency securities 0 0
Mortgage-backed securities 0 0
State and municipal securities 828 15,497
Asset-backed securities 0 0
Corporate notes and other, Fair Value Disclosure 0 0
Total investment securities available-for-sale 828 15,497
Other Investments 100,996 47,759
Other assets 0 0
Total assets at fair value 101,824 63,256
Liabilities at fair value [Abstract]    
Other liabilities 0 0
Total liabilities at fair value $ 0 $ 0
[1] The carrying values of collateral dependent loans at December 31, 2021 and 2020 are net of valuation allowances of $1.7 million and $3.5 million, respectively.