TOPIC 842 ADOPTION IMPACT AND LEASES: Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2019	Apr. 01, 2019	Mar. 31, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Right of use asset	$ 19,158		$ 0
Short-term lease liabilities	8,443		$ 0
Long-term lease liabilities	14,200
Operating lease costs	4,600
2020	4,933
2021	8,915
2022	8,253
2023	2,496
2024	587
Leased office facilities
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
2020	1,263
2021	2,560
2022	2,610
2023	2,663
2024	2,699
Thereafter	$ 4,497
Accounting Standards Update 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Right of use asset		$ 22,900
Short-term lease liabilities		8,400
Long-term lease liabilities		17,900
Deferred rent		$ (3,400)