Stockholders' Equity - Amount Reclassified Out of Accumulated Other Comprehensive Income (Los) - (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Other interest expense	$ (40,593)	$ (69,128)	$ (117,016)
Other operating expense	20,828	16,635	14,937
Total before tax	109,278	45,182	53,331
Net income	81,793	34,674	41,279
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Net Investment Gain (Loss) Attributable to Parent [Member]
Net gain (loss) on sale of securities	113	(701)	(15)
Tax benefit	(35)	216	5
Net income	78	(485)	(10)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] | Interest Rate Swap [Member]
Other operating expense	10,623	4,732	(1,392)
Tax benefit	3,327	1,466	(431)
Net income	(7,296)	(3,266)	961
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member]
Other operating expense	500	390	128
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member]
Other operating expense	(85)	(85)	(85)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Total before tax	(415)	(305)	(43)
Tax benefit	132	94	14
Net income	$ (283)	$ (211)	$ (29)