Investment and other (losses) gains - net (Tables)

3 Months Ended

Mar. 31, 2018

Investments, Debt and Equity Securities [Abstract]

Gross realized investment and other gains and losses

Investments and other (losses) gains are detailed as follows:

	Three Months Ended   March 31,
	2018		2017
	($000 omitted)
Realized gains	720		566
Realized losses	(188	)	(279	)
Net unrealized investment losses recognized on equity securities held	(2,203	)	—
	(1,671	)	287

Investments in equity securities still held

The total fair values of the Company's investments in debt and equity securities are detailed below:

	March 31, 2018	December 31, 2017
	($000 omitted)
Investments in:
Debt securities	645,768	671,441
Equity securities	33,645	37,914
	679,413	709,355

Following the adoption of ASU 2016-01 discussed in Notes 1 and 3, the portion of net investment losses recognized during the three-month period ended March 31, 2018 related to investments in equity securities still held as of March 31, 2018 is calculated as follows ($000 omitted):

Total net investment losses recognized on equity securities during the period	(2,226	)
Less: Net realized losses on equity securities sold during the period	(23	)
Net unrealized investment losses recognized on equity securities still held	(2,203	)

Proceeds from sale of investments available-for-sale

The amortized costs and fair values of investments in debt securities are as follows:

	March 31, 2018		December 31, 2017
	Amortized costs	Fair values	Amortized costs	Fair values
	($000 omitted)
Municipal	63,187	63,123	71,581	72,669
Corporate	347,713	345,966	351,477	357,933
Foreign	226,683	224,217	229,750	228,237
U.S. Treasury Bonds	12,839	12,462	12,838	12,602
	650,422	645,768	665,646	671,441

Proceeds from sales of investments in securities are as follows:

	Three Months Ended   March 31,
	2018	2017
	($000 omitted)
Proceeds from sale of debt securities	13,146	15,050
Proceeds from sale of equity securities	2,220	793
Total proceeds from sale of investment in securities	15,366	15,843