Common Stock - (Narrative) (Details) $ / shares in Units, $ in Millions										12 Months Ended
	Dec. 07, 2023 $ / shares	Nov. 16, 2023 $ / shares	Sep. 27, 2023 $ / shares	May 09, 2023 $ / shares	Mar. 01, 2023 $ / shares	Dec. 07, 2022 $ / shares	Sep. 20, 2022 $ / shares	Aug. 19, 2022 item director shares	Dec. 14, 2021 $ / shares	Dec. 31, 2023 USD ($) item director $ / shares shares	Dec. 31, 2022 $ / shares shares	Dec. 31, 2021 $ / shares
Common Stock [Line Items]
Number of votes per share of common stock										1
Dividends declared per share (in dollars per share) | $ / shares										$ 3.00	$ 4.86	$ 0.98
Number of board of directors | director										8
Former Shareholder
Common Stock [Line Items]
Number of votes per share of common stock								10
Dividends declared per share (in dollars per share) | $ / shares										$ 0
Class A Common Stock
Common Stock [Line Items]
Number of votes per share of common stock										1
Common stock, shares issued (in shares) | shares										8,007,000	7,867,000
Dividends declared per share (in dollars per share) | $ / shares	$ 2.00	$ 0.25	$ 0.25	$ 0.25	$ 0.25	$ 0.25	$ 0.25		$ 0.16
Percentage of directors to be elected										25.00%
Stock repurchase program, remaining authorization amount | $										$ 18.0
Class A Common Stock | Former Shareholder
Common Stock [Line Items]
Number of directors elected | director								2
Estate Ownership Percentage								16.00%
Class B Common Stock
Common Stock [Line Items]
Number of votes per share of common stock										10
Common stock, shares issued (in shares) | shares										0	0
Dividends declared per share (in dollars per share) | $ / shares									$ 0.16
Class B Common Stock | Former Shareholder
Common Stock [Line Items]
Number of votes per share of common stock								1
Common stock, shares issued (in shares) | shares								0
Common stock, shares outstanding (in shares) | shares								0