Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2020

Fair Value Disclosures [Abstract]

Fair Value, Assets Measured on Recurring Basis

The following table sets forth the fair values and methods used for measuring the fair values of financial instruments on a recurring basis:

		Fair Value
Financial Instrument	Hierarchy	December 31, 2020		December 31, 2019
		(Dollars in thousands)
Marketable securities
Equity securities	Level 1	$	—	$	56,747
Mortgage loans held-for-sale, net	Level 2	$	232,556	$	197,021

Gain (Loss) on Securities

The following table reconciles the net gain (loss) recognized during the year ended December 31, 2020 and 2019 on equity securities to the unrealized gain (loss) recognized during the period on equity securities still held at the reporting date.

	Year Ended December 31,
	2020		2019
	(Dollars in thousands)
Net gain (loss) recognized during the period on equity securities	$	(8,285)	$	11,797
Less: Net gain (loss) recognized during the period on equity securities sold during the period	(8,285)		647
Unrealized gain (loss) recognized during the reporting period on equity securities still held at the reporting date	$	—	$	11,150

Fair Value of Senior Notes

The estimated values of the senior notes in the following table are based on Level 2 inputs, which primarily reflect estimated prices for our senior notes which were provided by multiple sources.

	December 31, 2020				December 31, 2019
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
	(Dollars in thousands)
$250 million 5.625% senior notes due February 2020, net	$	—	$	—	$	249,909	$	250,400
$250 million 5.500% senior notes due January 2024, net	249,233		275,463		249,005		272,083
$300 million 3.850% senior notes due January 2030, net	297,458		331,384		—		—
$500 million 6.000% senior notes due January 2043, net	490,700		667,288		490,508		528,542
Total	$	1,037,391	$	1,274,135	$	989,422	$	1,051,025