Residential Mortgage Loans, At Fair Value

Certain of the Company’s residential mortgage loans, including distressed residential mortgage loans and second mortgages, are presented at fair value on its condensed consolidated balance sheets as a result of a fair value election made at time of acquisition. Subsequent changes in fair value are reported in current period earnings and presented in net gain (loss) on residential mortgage loans at fair value on the Company’s condensed consolidated statements of operations.

The Company’s residential mortgage loans at fair value consist of the following as of June 30, 2018 and December 31, 2017, respectively (dollar amounts in thousands):



	Principal		Premium/(Discount)			Unrealized Gains/(Losses)			Carrying Value
June 30, 2018	$	175,275	$	(5,598	)	$	(480	)	$	169,197
December 31, 2017	92,105		(4,911		)	(41		)	87,153

As of June 30, 2018, the Company is committed to purchase $1.9 million of second mortgage loans from originators.

The following table presents the components of net gain (loss) on residential mortgage loans at fair value for the six months ended June 30, 2018 and 2017, respectively (dollar amounts in thousands):



	June 30, 2018			June 30, 2017
Net realized gain on payoff and sale of loans	$	369		$	—
Net unrealized losses	(439		)	—

The geographic concentrations of credit risk exceeding 5% of the unpaid principal balance of residential mortgage loans at fair value as of June 30, 2018 and December 31, 2017, respectively, are as follows:



	June 30, 2018		December 31, 2017
California	28.4	%	35.9	%
Florida	8.5	%	6.6	%
New Jersey	6.4	%	7.7	%

The following table presents the difference between the fair value and the aggregate unpaid principal balance of the Company's residential mortgage loans at fair value greater than 90 days past due and in non-accrual status as of June 30, 2018 and December 31, 2017, respectively (dollar amounts in thousands):



	Fair Value		Unpaid Principal Balance		Difference
June 30, 2018	$	2,212	$	2,649	$	(437	)
December 31, 2017	1,048		1,214		(166		)

Distressed residential mortgage loans and second mortgages with a fair value of approximately $117.4 million and $44.2 million at June 30, 2018 and December 31, 2017, respectively, are pledged as collateral for master repurchase agreements with Deutsche Bank AG, Cayman Islands Branch (see Note 14).