Related Party Transactions (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($) ft² Director shares	Dec. 31, 2021 USD ($) shares
Related Party Transaction [Abstract]
Number of board of directors | Director	2
Rental expense for operating leases	$ 1,014	$ 1,014
Payment of dividends on Series D Preferred Stock	399	399
Series D Preferred Stock [Member]
Related Party Transaction [Abstract]
Payment of dividends on Series D Preferred Stock	$ 399	399
Delta Life Insurance Company [Member]
Related Party Transaction [Abstract]
Office and covered garage space leased | ft²	49,586
Rental expense for operating leases	$ 880	$ 879
Delta Life Insurance Company [Member] | Common Stock [Member]
Related Party Transaction [Abstract]
Shares of common stock owned (in shares) | shares	0	1,663,809
Members of Management [Member]
Related Party Transaction [Abstract]
Aggregate carrying value of investments in Gray	$ 10,772	$ 18,325
Premiums paid by Gray for employee benefit plans	$ 1,708	$ 1,308
Members of Management [Member] | Class A Common Stock [Member]
Related Party Transaction [Abstract]
Shares of common stock owned (in shares) | shares	880,272	880,272
Members of Management [Member] | Common Stock [Member]
Related Party Transaction [Abstract]
Shares of common stock owned (in shares) | shares	106,000	106,000