Condensed Consolidated Statement of Stockholders' Equity (Unaudited) - USD ($) shares in Millions, $ in Millions	Restricted Stock [Member] Common Stock [Member] Common Class A [Member]	Restricted Stock [Member] Common Stock [Member]	Restricted Stock [Member] Retained Earnings [Member]	Restricted Stock [Member] Treasury Stock [Member] Common Class A [Member]	Restricted Stock [Member] Treasury Stock [Member]	Restricted Stock [Member] AOCI Attributable to Parent [Member]	Restricted Stock [Member]	Restricted Stock Units (RSUs) [Member] Common Stock [Member] Common Class A [Member]	Restricted Stock Units (RSUs) [Member] Common Stock [Member]	Restricted Stock Units (RSUs) [Member] Retained Earnings [Member]	Restricted Stock Units (RSUs) [Member] Treasury Stock [Member] Common Class A [Member]	Restricted Stock Units (RSUs) [Member] Treasury Stock [Member]	Restricted Stock Units (RSUs) [Member] AOCI Attributable to Parent [Member]	Restricted Stock Units (RSUs) [Member]	Common Stock [Member] Common Class A [Member]	Common Stock [Member]	Retained Earnings [Member]	Treasury Stock [Member] Common Class A [Member]	Treasury Stock [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Dec. 31, 2020															8,935,773	103,100,856		(1,887,767)	(14,960,597)
Balance at Dec. 31, 2020															$ 34	$ 1,110	$ 862	$ (26)	$ (188)	$ (39)	$ 1,753
Net income															0	0	39	0	0	0	39
Preferred stock dividends															0	0	(13)	0	0	0	(13)
Common stock dividends															$ 0	$ 0	(8)	$ 0	$ 0	0	(8)
401(k) Plan (in shares)															0	390,389		0	0
401(k) Plan															$ 0	$ 7	0	$ 0	$ 0	0	7
Restricted stock awards (in shares)	233,425	296,042		(110,412)	(239,597)			0	60,050		0	(18,275)
Restricted stock awards	$ 0	$ 0	$ 0	$ (2)	$ (4)	$ 0	$ (6)	$ 0	$ 0	$ 0	$ 0	$ (1)	$ 0	$ (1)
Stock-based compensation															$ 1	$ 2	0	$ 0	$ 0	0	3
Balance (in shares) at Mar. 31, 2021															9,169,198	103,847,337		(1,998,179)	(15,218,469)
Balance at Mar. 31, 2021															$ 35	$ 1,119	880	$ (28)	$ (193)	(39)	1,774
Balance (in shares) at Dec. 31, 2020															8,935,773	103,100,856		(1,887,767)	(14,960,597)
Balance at Dec. 31, 2020															$ 34	$ 1,110	862	$ (26)	$ (188)	(39)	1,753
Net income																					78
Balance (in shares) at Jun. 30, 2021															9,169,198	103,898,352		(1,998,179)	(15,235,460)
Balance at Jun. 30, 2021															$ 36	$ 1,122	899	$ (28)	$ (193)	(39)	1,797
Balance (in shares) at Mar. 31, 2021															9,169,198	103,847,337		(1,998,179)	(15,218,469)
Balance at Mar. 31, 2021															$ 35	$ 1,119	880	$ (28)	$ (193)	(39)	1,774
Net income															0	0	39	0	0	0	39
Preferred stock dividends															0	0	(13)	0	0	0	(13)
Common stock dividends															$ 0	$ 0	(7)	$ 0	$ 0	0	(7)
401(k) Plan (in shares)															0	3,655		0	0
401(k) Plan															$ 0	$ 0	0	$ 0	$ 0	0	0
Restricted stock awards (in shares)	0	47,360		0	(16,991)
Restricted stock awards	$ 0	$ 0	0	$ 0	$ 0	0	0
Stock-based compensation															$ 1	$ 3	0	$ 0	$ 0	0	4
Balance (in shares) at Jun. 30, 2021															9,169,198	103,898,352		(1,998,179)	(15,235,460)
Balance at Jun. 30, 2021															$ 36	$ 1,122	899	$ (28)	$ (193)	(39)	1,797
Balance (in shares) at Dec. 31, 2021															9,424,691	104,286,324		(1,998,179)	(16,747,268)
Balance at Dec. 31, 2021															$ 39	$ 1,127	869	$ (28)	$ (223)	(27)	1,757
Net income															0	0	62	0	0	0	62
Preferred stock dividends															0	0	(13)	0	0	0	(13)
Common stock dividends															$ 0	$ 0	(8)	$ 0	$ 0	0	(8)
401(k) Plan (in shares)															0	307,885		0	0
401(k) Plan															$ 0	$ 7	0	$ 0	$ 0	0	7
Restricted stock awards (in shares)	250,448	333,382		(103,738)	(138,959)			0	108,921		0	(32,958)
Restricted stock awards	$ 0	$ 0	$ 0	$ (2)	$ (3)	$ 0	$ (5)	$ 0	$ 0	$ 0	$ 0	$ (1)	$ 0	$ (1)
Stock-based compensation															$ 2	$ 3	0	$ 0	$ 0	0	5
Balance (in shares) at Mar. 31, 2022															9,675,139	105,036,512		(2,101,917)	(16,919,185)
Balance at Mar. 31, 2022															$ 41	$ 1,137	910	$ (30)	$ (227)	(27)	1,804
Balance (in shares) at Dec. 31, 2021															9,424,691	104,286,324		(1,998,179)	(16,747,268)
Balance at Dec. 31, 2021															$ 39	$ 1,127	869	$ (28)	$ (223)	(27)	1,757
Net income																					161
Common stock dividends																					(15)
Balance (in shares) at Jun. 30, 2022															9,675,139	105,104,057		(2,101,917)	(19,582,841)
Balance at Jun. 30, 2022															$ 43	$ 1,141	988	$ (30)	$ (277)	(27)	1,838
Balance (in shares) at Mar. 31, 2022															9,675,139	105,036,512		(2,101,917)	(16,919,185)
Balance at Mar. 31, 2022															$ 41	$ 1,137	910	$ (30)	$ (227)	(27)	1,804
Net income															0	0	99	0	0	0	99
Preferred stock dividends															0	0	(13)	0	0	0	(13)
Common stock dividends															$ 0	$ 0	(8)	$ 0	$ 0	0	(8)
Restricted stock awards (in shares)															0	67,545		0	(17,463)
Restricted stock awards															$ 0	$ 0	0	$ 0	$ 0	0	0
Stock-based compensation															$ 2	$ 4	0	$ 0	$ 0	0	6
Repurchase of common stock (in shares)															0	0		0	(2,646,193)
Repurchase of common stock															$ 0	$ 0	0	$ 0	$ (50)	0	(50)
Balance (in shares) at Jun. 30, 2022															9,675,139	105,104,057		(2,101,917)	(19,582,841)
Balance at Jun. 30, 2022															$ 43	$ 1,141	$ 988	$ (30)	$ (277)	$ (27)	$ 1,838