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Fair Value - Rollforward of Level 3 assets and liabilities (Details) - Recurring - USD ($)
$ in Thousands

3 Months Ended

Mar. 31, 2022

Mar. 31, 2021

Other liabilities

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]

Balance at beginning of period

$ (16,960)

$ (461)

Total gains or (losses) (realized/unrealized) - included in earnings

^[1]

(98)

4

Total gains or (losses) (realized/unrealized) - included in other comprehensive income

(533)

0

Purchases, issuances, sales and settlements

Purchases

0

0

Issuances

0

0

Sales

0

0

Settlements

0

0

Transfers in and/or out of Level 3

0

0

Balance at end of period

(17,591)

(465)

Available for sale | Structured securities

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]

Balance at beginning of period

^[2]

3,347

3,426

Total gains or (losses) (realized/unrealized) - included in earnings

^[1],[2]

10

(68)

Total gains or (losses) (realized/unrealized) - included in other comprehensive income

^[2]

(60)

114

Purchases, issuances, sales and settlements

Purchases

^[2]

0

0

Issuances

^[2]

0

0

Sales

^[2]

0

0

Settlements

^[2]

(145)

0

Transfers in and/or out of Level 3

^[2]

0

0

Balance at end of period

^[2]

3,152

3,472

Available for sale | Corporate bonds

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]

Balance at beginning of period

13

13

Total gains or (losses) (realized/unrealized) - included in earnings

^[1]

0

0

Total gains or (losses) (realized/unrealized) - included in other comprehensive income

0

0

Purchases, issuances, sales and settlements

Purchases

0

0

Issuances

0

0

Sales

0

0

Settlements

0

0

Transfers in and/or out of Level 3

3,557

0

Balance at end of period

3,570

13

Fair value option | Corporate bonds

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]

Balance at beginning of period

0

985

Total gains or (losses) (realized/unrealized) - included in earnings

^[1]

0

4

Total gains or (losses) (realized/unrealized) - included in other comprehensive income

0

0

Purchases, issuances, sales and settlements

Purchases

0

0

Issuances

0

0

Sales

0

0

Settlements

0

0

Transfers in and/or out of Level 3

0

0

Balance at end of period

0

989

Fair value option | Other investments

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]

Balance at beginning of period

27,981

67,103

Total gains or (losses) (realized/unrealized) - included in earnings

^[1]

7

248

Total gains or (losses) (realized/unrealized) - included in other comprehensive income

0

0

Purchases, issuances, sales and settlements

Purchases

68

7,365

Issuances

0

0

Sales

(2,471)

(6,786)

Settlements

(2,983)

0

Transfers in and/or out of Level 3

0

0

Balance at end of period

22,602

67,930

Fair value option | Equity securities

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]

Balance at beginning of period

4,748

68,988

Total gains or (losses) (realized/unrealized) - included in earnings

^[1]

(237)

2,188

Total gains or (losses) (realized/unrealized) - included in other comprehensive income

0

0

Purchases, issuances, sales and settlements

Purchases

0

0

Issuances

0

0

Sales

0

0

Settlements

0

0

Transfers in and/or out of Level 3

0

0

Balance at end of period

4,511

71,176

Equity securities

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]

Balance at beginning of period

2,918

42,015

Total gains or (losses) (realized/unrealized) - included in earnings

^[1]

(147)

904

Total gains or (losses) (realized/unrealized) - included in other comprehensive income

0

0

Purchases, issuances, sales and settlements

Purchases

0

193

Issuances

0

0

Sales

(3)

0

Settlements

0

0

Transfers in and/or out of Level 3

0

0

Balance at end of period

$ 2,768

$ 43,112

[1]	Gains or losses were included in net realized gains (losses).
[2]	Includes asset backed securities, mortgage backed securities and commercial mortgage backed securities.

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