XML 61 R50.htm IDEA: XBRL DOCUMENT v3.23.3
Fair Value Measurements (Changes in Fair Value of Securities Using Level 3 Inputs) (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Obligations of States and Political Subdivisions [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Fair value, December 31 $ 6,661 $ 7,745
Total net gains (losses) for the period included in OCI (80) (879)
Purchases 0 0
Sales 0 0
Issuances 0 0
Settlements 0 0
Transfers into Level 3 0 0
Transfers out of Level 3 0 0
Fair value, September 30 6,643 6,711
Change in unrealized gains (losses) for the period included in earnings for assets held at period end 62 (155)
Change in unrealized gains (losses) for the period included in OCI for assets held at period end (80) (879)
Corporate Securities [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Fair value, December 31 187,980 114,127
Total net gains (losses) for the period included in OCI (517) (23,847)
Purchases 77,567 74,327
Sales 0 0
Issuances 0 0
Settlements (7,437) (8,663)
Transfers into Level 3 2,238 19,214
Transfers out of Level 3 0 (7,038)
Fair value, September 30 260,479 165,824
Change in unrealized gains (losses) for the period included in earnings for assets held at period end 289 (2,330)
Change in unrealized gains (losses) for the period included in OCI for assets held at period end (528) (23,852)
Collateralized Loan Obligations and Other Asset Backed Securities [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Fair value, December 31 153,342 124,909
Total net gains (losses) for the period included in OCI (2,433) (11,436)
Purchases 60,015 44,167
Sales 0 0
Issuances 0 0
Settlements (4,343) (6,678)
Transfers into Level 3 14,148 0
Transfers out of Level 3 (10,200) (24,646)
Fair value, September 30 210,407 125,672
Change in unrealized gains (losses) for the period included in earnings for assets held at period end (110) (771)
Change in unrealized gains (losses) for the period included in OCI for assets held at period end (2,433) (11,395)
Residential Mortgage Backed Securities [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Fair value, December 31   245
Total net gains (losses) for the period included in OCI   (17)
Purchases   0
Sales   0
Issuances   0
Settlements   (11)
Transfers into Level 3   0
Transfers out of Level 3   (217)
Fair value, September 30   0
Change in unrealized gains (losses) for the period included in earnings for assets held at period end   0
Change in unrealized gains (losses) for the period included in OCI for assets held at period end   (17)
Commercial Mortgage Backed Securities [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Fair value, December 31 375 4,256
Total net gains (losses) for the period included in OCI 35 (477)
Purchases 0 0
Sales 0 0
Issuances 0 0
Settlements (24) (15)
Transfers into Level 3 2,848 0
Transfers out of Level 3 (2,626) (3,430)
Fair value, September 30 344 373
Change in unrealized gains (losses) for the period included in earnings for assets held at period end 0 (7)
Change in unrealized gains (losses) for the period included in OCI for assets held at period end 35 (477)
Common Stock [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Fair value, December 31 897  
Total net gains (losses) for the period included in OCI 0  
Purchases 0  
Sales 0  
Issuances 0  
Settlements 0  
Transfers into Level 3 193  
Transfers out of Level 3 0  
Fair value, September 30 933  
Change in unrealized gains (losses) for the period included in earnings for assets held at period end (157)  
Change in unrealized gains (losses) for the period included in OCI for assets held at period end 0  
Investments [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Fair value, December 31 349,255 251,282
Total net gains (losses) for the period included in OCI (2,995) (36,656)
Purchases 137,582 118,494
Sales 0 0
Issuances 0 0
Settlements (11,804) (15,367)
Transfers into Level 3 19,427 19,214
Transfers out of Level 3 (12,826) (35,331)
Fair value, September 30 478,806 298,580
Change in unrealized gains (losses) for the period included in earnings for assets held at period end 84 (3,263)
Change in unrealized gains (losses) for the period included in OCI for assets held at period end (3,006) (36,620)
Gain (Loss) on Investments [Member] | Obligations of States and Political Subdivisions [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Total net gains (losses) for the period included in net income 62 (155)
Gain (Loss) on Investments [Member] | Corporate Securities [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Total net gains (losses) for the period included in net income 289 (2,345)
Gain (Loss) on Investments [Member] | Collateralized Loan Obligations and Other Asset Backed Securities [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Total net gains (losses) for the period included in net income (110) (771)
Gain (Loss) on Investments [Member] | Residential Mortgage Backed Securities [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Total net gains (losses) for the period included in net income   0
Gain (Loss) on Investments [Member] | Commercial Mortgage Backed Securities [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Total net gains (losses) for the period included in net income 0 (7)
Gain (Loss) on Investments [Member] | Common Stock [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Total net gains (losses) for the period included in net income (157)  
Gain (Loss) on Investments [Member] | Investments [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Total net gains (losses) for the period included in net income 84 (3,278)
Net Investment Income Earned [Member] | Obligations of States and Political Subdivisions [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Total net gains (losses) for the period included in net income 0 0
Net Investment Income Earned [Member] | Corporate Securities [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Total net gains (losses) for the period included in net income 359 49
Net Investment Income Earned [Member] | Collateralized Loan Obligations and Other Asset Backed Securities [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Total net gains (losses) for the period included in net income (12) 127
Net Investment Income Earned [Member] | Residential Mortgage Backed Securities [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Total net gains (losses) for the period included in net income   0
Net Investment Income Earned [Member] | Commercial Mortgage Backed Securities [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Total net gains (losses) for the period included in net income (264) 46
Net Investment Income Earned [Member] | Common Stock [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Total net gains (losses) for the period included in net income 0  
Net Investment Income Earned [Member] | Investments [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Total net gains (losses) for the period included in net income $ 83 $ 222