Employee Benefits - Change in Fair Value of Pension Plan Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	$ 283,940
Fair value of plan assets at ending of year	229,701	$ 283,940
Pension Benefits
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	283,940	248,735
Fair value of plan assets at ending of year	229,701	283,940
U.S. property separate account fund
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	27,328
Fair value of plan assets at ending of year	28,468	27,328
U.S. property separate account fund | Level 3 | Pension Benefits
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	27,328	22,269
Unrealized gains	1,140	5,059
Fair value of plan assets at ending of year	$ 28,468	$ 27,328